Question: In the frequency distribution in Example 9, 599.5 was chosen as the midpoint for the class of $500 or more. How does the sample mean

In the frequency distribution in Example 9, 599.5 was chosen as the midpoint for the class of $500 or more. How does the sample mean and standard deviation change when the midpoint of this class is 650?

a. Write the first four columns of a frequency distribution.

b. Find the sample mean.

c. Complete the last three columns of the frequency distribution.

d. Find the sample standard deviation.

Step by Step Solution

★★★★★

3.33 Rating (162 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a b x xfn 195535 1000 1955 c d s x x 2 f n 1 ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

598-M-S-P (4617).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Approximate the median of the frequency distribution in Problem 4. Age .....Frequency 0-17 ......15,451 1824 ..... 6071 2534 .... 6123 3544 .... 4756 4554 .... 4421 5559 ..... 1792 60-64 .... 1520 65...

U.S. Census data for San Luis Obispo County, California, were used to construct the following frequency distribution for commute time (in minutes) of working adults (the given frequencies were read...

The owner of a fast-food restaurant ascertains the ages of a sample of customers. From these data, the owner constructs the frequency distribution shown. For each class interval of the frequency...

Part 1: Understanding the Big Ideas Recall that for Lab Activity #5, we worked with some Rock and Roll Hall of Fame data. In 1988, The Beatles were inducted into the Rock and Roll Hall of Fame. The...

GSB420 CLASS 7 STATISTICS (CH 9 - 12) Chapter 9. Page 1 of 15 Sampling Distribution The Central Limit Theorem (CLT) Population Mean= Sample Mean Sample Mean X1 Sample Mean X4 X2 Sample Mean X3 Sample...

a. Firm A has multiple subsidiaries. Today, Firm A sold 10% of one subsidiary to the public and received $10M from the sale. After the spinoff, the market cap of Firm A is $50M. What is the implied...

Name: E number: Math 1530 section number Question 1 (2.85 points) Eggs that are contaminated with salmonella can cause food poisoning among consumers. A large egg producer takes an SRS of 200 eggs...

Thank you for your help, please double check all answers some have been coming back incorrect 8. [-/10 Points] DETAILS WANEFMAC7 9.4.025. MY NOTES Popularity Ratings In your bid to be elected class...

GIVE TYPED WRITING SO I CAN UNDERSTAND CLEARLY. Kindly give correct answers and step by step working.do not skip steps.Mention clearly about the formula and the conversion.be very clear.do not skip...

Your candidacy for elected class representative is being opposed by Slick Sally. Your election committee has surveyed six of the students in your class and had them rank Sally on a scale of 0-10. The...

For = {x, y, z}, let A, B * be given by A = {xy} and B = {, x}. Determine (a) AB; (b) BA; (c) B3; (d) B+; (e) A*.

A 2 mol% NH3-in-air mixture at 68F and 1 atm is to be scrubbed with water in a tower packed with 1.5-in, ceramic Berl saddles. The inlet water mass velocity will be 2400 lbk-ft2, and the inlet gas...

sells for $ 1 5 , 0 0 0 . Ryan will receive Select one: a . $ 1 5 , 0 0 0 minus the collection costs. b . $ 7 , 5 0 0 . c . $ 1 0 , 0 0 0 . d . $ 1 5 , 0 0 0 .

Explain why foreign assignments fail and what to do to minimize the problems.

The probability of rolling 2 six-sided dice and getting a sum of 9 is 1/9. Classify the statement as an example of classical probability, empirical probability, or subjective probability. Explain...

The chance that a randomly selected person in the United States is between 17 and 23 years old is about 9.5%. Classify the statement as an example of classical probability, empirical probability, or...

Find the probability that a randomly selected degree will be in business or psychology. Use the table, which shows the numbers (in thousands) of bachelors degrees for a recent year. Health...

Question 11 1 pts You are at a coffin convention (that welcomes vampires and non-vampires) with mirrored walls. You know that some vampires can be reflected in mirrors but that most can't; you...

Question 19 The prices of a random sample of homes in four areas of a certain city (Areas A, B, C, and D) were recorded Tries remaining: and the following ANOVA table was obtained, and we would like...

A mutual fund manager expects her portfolio to earn a rate of return of 14% this year. The beta of her portfolio is .6. Assume rate of return available on risk-free assets is 6% and you expect the...