All Matches

Solution Library

Expert Answer

Textbooks

Search Textbook questions, tutors and Books

Oops, something went wrong!

Change your search query and then try again

Result Not Found

Books FREE
Tutors
Study Help
Ask a Question

Search
Sign In
Register

study help
mathematics
business statistics

Questions and Answers of Business Statistics

Draw a time series graph for the number (in millions) of drivers in the United States 70 or older 2012 1992 2002 20 Year 1982 Number 10 23 15
The number of all violent crimes (murder, nonnegligent homicide, manslaughter, forcible rape, robbery, and aggravated assault) in the United States for each of these years is listed below. Represent
The amount spent (in billions of dollars) for ads online is shown. (The numbers for 2016 through 2019 are projected numbers.) Draw a time series graph and comment on the trend. 2014 2015 2016 2017
Construct a Pareto chart for the sizes of Gulf coastlines in statute miles for each state.State
Construct a vertical and horizontal bar graph for the number of employees (in thousands) of a sample of the largest tech companies as of 2014.Company
Shown is an ogive depicting the cumulative frequency of the average mathematics SAT scores by state. Use it to construct a histogram and a frequency polygon. Average Mathematics SAT Scores 50 + 40 +
The data show the most number of home runs hit by a batter in the American League over the last 30 seasons. Construct a frequency distribution using 5 classes. Draw a histogram, a frequency polygon,
Construct a histogram, frequency polygon, and ogive, using relative frequencies for the data in Exercise 6 of this section.Class limits
Construct a histogram, frequency polygon, and ogive, using relative frequencies for the data in Exercise 2 of this section.Class limits
Construct a histogram, frequency polygon, and ogive, using relative frequencies for the data in Exercise 1 of this section.Class limits
The frequency distribution shows the waiting times (in minutes) for 50 patients at a walk-in medical facility. Construct a histogram, frequency polygon, and ogive for the data. Is the distribution
The frequency distribution shows the blood glucose levels (in milligrams per deciliter) for 50 patients at a medical facility. Construct a histogram, frequency polygon, and ogive for the data.
The following frequency distribution shows the length (in feet) of the main spans of the longest suspension bridges in the United States. Construct a histogram, frequency polygon, and ogive for the
The average number of pupils per teacher in each state is shown. Construct a grouped frequency distribution with 6 classes. Draw a histogram, frequency polygon, and ogive. Analyze the distribution.
The number of bears killed in 2014 for 56 counties in Pennsylvania is shown in the frequency distribution. Construct a histogram, frequency polygon, and ogive for the data. Comment on the skewness of
The ratio of the circumference of a circle to its diameter is known as π (pi). The value of π is an irrational number, which means that the decimal part goes on forever and there is no fixed
The number of stories in each of a sample of the world€™s 30 tallest buildings follows. Construct a grouped frequency distribution and a cumulative frequency distribution with 7 classes.
The data show the maximum wind speeds in miles per hour recorded for 40 states. Construct a frequency distribution using 7 classes. 59 78 62 72 67 76 92 77 64 83 64 70 67 75 75 78 75 71 72 93 68 69
The ages of 20 dogs in a pet shelter are shown. Construct a frequency distribution using 7 classes. 3 6. 4 4 9. 4 3 4 9.
Listed by state are the percentages of the population who have completed 4 or more years of a college education. Construct a frequency distribution with 7 classes. 21.4 26.0 25.3 19.3 29.5 35.0 34.7
A sample of 40 large cities was selected, and the average of the wind speeds was computed for each city over one year. Construct a frequency distribution, using 7 classes. 11.2 12.2 9.1 9.0 10.5 8.2
Construct a frequency distribution for the energy consumption of natural gas (in billions of Btu) by the 50 states and the District of Columbia. Use 9 classes. 474 475 205 639 197 344 3 409 247 66 87
The data show the scores of the winning teams in the Rose Bowl. Construct a frequency distribution for the data using a class width of 7. 38 20 45 24 21 26 38 49 32 41 41 34 37 34 17 38 21 20 41 38
A random sample of 30 large companies in the United States shows the amount, in millions of dollars, that each company donated to charity for a specific year. Construct a frequency distribution for
Here are the salaries (in dollars) of the governors of 25 randomly selected states. Construct a grouped frequency distribution with 6 classes. 112,895 117,312 140,533 110,000 115,331 95,000 177,500
Show frequency distributions that are incorrectly constructed. State the reasons why they are wrong.Class
Show frequency distributions that are incorrectly constructed. State the reasons why they are wrong.Class
Show frequency distributions that are incorrectly constructed. State the reasons why they are wrong.Class
Show frequency distributions that are incorrectly constructed. State the reasons why they are wrong.Class
Find the class boundaries, midpoints, and widths for each class.16.3–18.5
Find the class boundaries, midpoints, and widths for each class.16.35–18.46
Find the class boundaries, midpoints, and widths for each class.125–131
Find the class boundaries, midpoints, and widths for each class.58–62
A survey was taken asking the favorite flavor of a coffee drink a person prefers. The responses were V = Vanilla, C = Caramel, M = Mocha, H = Hazelnut, and P = Plain. Construct a categorical
A survey was taken of 50 individuals. They were asked how many days per week they ate at a fast-food restaurant. Construct a frequency distribution using 8 classes (0€“7). Based on the
What are open-ended frequency distributions? Why are they necessary?
How many classes should frequency distributions have? Why should the class width be an odd number?
Name the three types of frequency distributions, and explain when each should be used.
List five reasons for organizing data into a frequency distribution.
Most shark attacks occur in ocean water that is 3 feet deep; therefore, it is safer to swim in deep water.Explain why the claims of these studies might be suspect.
A recent study shows that high school dropouts spend less time on the Internet than those who graduated; therefore, the Internet raises your IQ.Explain why the claims of these studies might be
Only 5% of men surveyed said that they liked “chick flicks.”Explain why the claims of these studies might be suspect.
A survey of a group of people said the thing they dislike most about winter is snow.Explain why the claims of these studies might be suspect.
In High Point County there are 672 raccoons.Explain why the claims of these studies might be suspect.
Based on a recent telephone survey, 72% of those contacted shop online.Explain why the claims of these studies might be suspect.
A study was conducted to determine if workers who had a flexible work schedule had greater job satisfaction than those workers who worked a regular nine-to-five work schedule.Identify the independent
In an article in the British Journal of Nutrition, two types of mice were randomly selected. One group received a thyme supplement for a specific time, while another group was used as a control group
People who walk at least 3 miles a day are randomly selected, and their blood triglyceride levels are measured in order to determine if the number of miles that they walk has any influence on these
A study was conducted to determine if crocodiles raised in captivity (i.e., in a zoo) grew faster than crocodiles living in the wild. Identify the explanatory variable and the outcome
Three groups of gamblers were randomly selected. The first group was given $25 in casino money. The second group was given a $25 coupon for food. The third group was given nothing. After a trip to
A sample of females were asked if their supervisors (bosses) at work were to hug them, would they consider that a form of sexual harassment?Identify each study as being either observational or
A researcher stood at a busy intersection to see if the color of the automobile that a person drives is related to running red lights.Identify each study as being either observational or experimental.
Subjects were randomly assigned to two groups, and one group was given an herb and the other group a placebo. After 6 months, the numbers of respiratory tract infections each group had were
People are asked to phone in their response to a survey question.Classify each sample as random, systematic, stratified, cluster, or other.
Every 100th hamburger manufactured is checked to determine its fat content.Classify each sample as random, systematic, stratified, cluster, or other.
A group of unmarried men are selected using random numbers and asked how long it has been since their last date.Classify each sample as random, systematic, stratified, cluster, or other.
All fast-food workers at a randomly selected fast-food restaurant are selected and asked how many hours per week they work.Classify each sample as random, systematic, stratified, cluster, or other.
Give the boundaries of each value.9.54 millimeters.
Give the boundaries of each value.56 yards.
Ages of children in a preschool.Classify each variable as discrete or continuous.
Duration of marriages in America (in years).Classify each variable as discrete or continuous.
Number of students each day who make appointments with a math tutor at a local college.Classify each variable as discrete or continuous.
Weights of the backpacks of first-graders on a school bus.Classify each variable as discrete or continuous.
Ages of women when they were first married.Classify each variable as discrete or continuous.
Number of street corner mailboxes in the city of Philadelphia.Classify each variable as discrete or continuous.
The different species of fish sold by a pet shop store.Classify each variable as qualitative or quantitative.
Amount of garbage (in pounds) discarded by residents of a high-rise apartment complex.Classify each variable as qualitative or quantitative.
Time it takes 10 people to complete a New York Times crossword puzzle.Classify each variable as qualitative or quantitative.
Ages of the players on a professional football team.Classify each as nominal-level, ordinallevel, interval-level, or ratio-level measurement.
Temperatures of 10 toasters.Classify each as nominal-level, ordinallevel, interval-level, or ratio-level measurement.
In a survey of 1500 people who gave up driving, the average of the ages at which they quit driving was 85.State whether descriptive or inferential statistics has been used.
In a poll of 3036 adults, 32% said that they got a flu shot at a retail clinic.State whether descriptive or inferential statistics has been used.
In a survey of 1000 adults, 34% said that they posted notes on social media websites.State whether descriptive or inferential statistics has been used.
In a sample of 100 individuals, 36% think that watching television is the best way to spend an evening.State whether descriptive or inferential statistics has been used.
In the 1980s, a study linked coffee to a higher risk of heart disease and pancreatic cancer. In the early 1990s, studies showed that drinking coffee posed minimal health threats. However, in 1994, a
“. . . Male children born to women who smoke during pregnancy run a risk of violent and criminal behavior that lasts well into adulthood.” Can we infer that smoking during pregnancy is
“Just 1 capsule of Brand X can provide 24 hours of acid control.” (Actual brand will not be named.) What needs to be more clearly defined in this statement?
“Vitamin E is a proven antioxidant and may help in fighting cancer and heart disease.” Is there anything ambiguous about this claim? Explain.
An ad for an exercise product stated: “Using this product will burn 74% more calories.” What is misleading about this statement?
In an ad for moisturizing lotion, the following claim is made: “. . . it’s the number 1 dermatologist-recommended brand.” What is misleading about this claim?
In many ads for weight loss products, under the product claims and in small print, the following statement is made: “These results are not typical.” What does this say about the product being
In an ad for women, the following statement was made: “For every 100 women, 91 have taken the road less traveled.”Comment on this statement.
Comment on the following statement, taken from a magazine advertisement: “In a recent clinical study, Brand ABC (actual brand will not be named) was proved to be 1950% better than creatine!”
According to a pilot study of 20 people conducted at the University of Minnesota, daily doses of a compound called arabinogalactan over a period of 6 months resulted in a significant increase in the
List the steps you should perform when conducting a statistical study.
Eating 21 grams of fiber may help you to lose weight.Give a reason why the statement made might be misleading.
By reading this book, you will increase your IQ by 20 points.Give a reason why the statement made might be misleading.
Our pain medicine will give you 24 hours of pain relief.Give a reason why the statement made might be misleading.
Here is the whole truth about back pain.Give a reason why the statement made might be misleading.
Our product will give you the perfect body.Give a reason why the statement made might be misleading.
York University in Toronto, Canada, stated that people who had suffered from fibromyalgia were able to reduce their pain by participating in twice-weekly yoga sessions.Suggest some confounding
A leading journal reported that people who have a more flexible work schedule are more satisfied with their jobs.Suggest some confounding variables that the researcher might want to consider when
The New England Journal of Medicine reported that when poor women move to better neighborhoods, they lower the risk of developing obesity and diabetes.Suggest some confounding variables that the
Psychology Today magazine reports that the more intelligent a person is (based on IQ), the more willing the person is to make a cooperative choice rather than a selfish one.Suggest some confounding
A study was conducted to determine if the marital status of an individual had any effect on the cause of death of the individual.Identify the independent variable and the dependent variable.
A study was conducted to determine whether when a restaurant server drew a happy face on the check, that would increase the amount of the tip.Identify the independent variable and the dependent
The Journal of Behavioral Medicine reported that sharing a hug and holding hands can limit the physical effects of stress such as soaring heart rate and elevated blood pressure.Identify the
According to the British Journal of Sports Medicine, a regular 30-minute workout could slash your risk of catching a cold by 43%.Identify the independent variable and the dependent variable.
Two groups of students were randomly selected. The students in Group 1 were enrolled in the general studies program. Group 2 students were enrolled in a specific major program (i.e., business,
A study was done on two groups of overweight individuals. Group 1 was placed on a healthy, moderate diet. Group 2 was not given any diet instructions. After 1 month, the members were asked how many

Showing 3800 - 3900 of 3972

First
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

Get In Touch

About Us
Contact Us
Career
Jobs
FAQ
Campus Ambassador

Company Info

Security
Copyrights
Privacy Policy
Terms & Condition
SolutionInn Fee
Scholarship

Services

Sitemap
Fun
Definitions
Become Tutor
Study Help Categories
Recent Questions
Expert Questions

Copyright © 2024 SolutionInn All Rights Reserved.

Get the SolutionInn - Study Help App