The following data set is related to that in Exercise 1.24. It gives the percent of the
Question:
The following data set is related to that in Exercise 1.24. It gives the percent of the families that are in the upper income level at the same individual schools in the same order as in Exercise 1.24.(a) Calculate the sample mean.(b) Calculate the sample median.(c) Construct a relative frequency histogram of the data.(d) Compute the 10% trimmed mean. Compare with the results in (a) and (b) andcomment.
Transcribed Image Text:
72.2 31.9 26.5 29.1 27.3 8.6 22.3 26.5 20.4 12.8 25.1 19.2 24.1 58.2 68.1 89.2 55.1 9.4 14.5 13.9 20.7 17.9 38.1 54.2 21.5 26.2 59.1 43.3 S.5 55.4
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 75% (12 reviews)
a X 3331 b X 2635 c A histogram plot is shown next Relative Frequency ...View the full answer
Answered By
Nazrin Ziad
I am a post graduate in Zoology with specialization in Entomology.I also have a Bachelor degree in Education.I posess more than 10 years of teaching as well as tutoring experience.I have done a project on histopathological analysis on alcohol treated liver of Albino Mice.
I can deal with every field under Biology from basic to advanced level.I can also guide you for your project works related to biological subjects other than tutoring.You can also seek my help for cracking competitive exams with biology as one of the subjects.
3.30+
2+ Reviews
10+ Question Solved
Related Book For
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
Question Posted:
Students also viewed these Statistics questions
-
Construct a relative frequency histogram for the data set using seven classes. Use the data set shown in the table at the left, which represents the actual liquid volumes (in ounces) in 24...
-
Construct a relative frequency histogram for the data summarized in the following table: Measurement Rlive Measurement Relative Class Frequency Class Frequency 00-.75 75-1.50 1.50-2.25 2.25-3.00...
-
Construct a relative frequency histogram using the frequency distribution in Exercise 1. Then determine which class has the greatest relative frequency and which has the least relative frequency. Use...
-
Danone will make a euro 95 million acquisition in Ethiopia, paid in three equal instalments of Ethiopian Birr in 6,12 and 24 months. The spot rate for Birr is 47.9 and one year and two year forward...
-
An airplane travels 1300 km/h around the Earth in a circle of radius essentially equal to that of the Earth, returning to the same place. Using special relativity, estimate the difference in time to...
-
Samantha wants to take the next four years off work to travel around the world. She estimates her annual cash needs at $30,000 (if she needs more, she'll work odd jobs). Samantha believes she can...
-
Records show that the probability is 0.00008 that a truck will have an accident on a certain highway. Use the formula for the Poisson distribution to approximate the probability that at least 5 of...
-
Researchers developed a questionnaire to identify compulsive buyers. A random sample of 32 subjects who identified themselves as compulsive buyers was obtained, and they had a mean questionnaire...
-
Two people, George who has a mass of 9 4 . 0 kg and Victoria who has a mass of 5 1 . 0 kg , are on a frozen circular pond. They stand at the very centre and push off of each other. The distance from...
-
London Companys Forest City Plant produces precast ingots for industrial use. Anne-Marie Gosnell, who was recently appointed general manager of the Forest City Plant, has just been handed the plants...
-
The following are historical data on staff salaries (dollars per pupil on 30 schools sampled in the eastern part of the United States in the early 1970s).(a) Compute the sample mean and sample...
-
Suppose it is of interest to use the data sets in Exercises 1.24 and 1.25 to derive a model that would predict staff salaries as a function of percent of families in a high income level for current...
-
Warsaw Technologies, Inc. manufactures modems and disk drives. Warsaws current years revenues are nearly 20 percent below those of last year. As year-end approaches, the company president has...
-
I am standing with a baseball in my hand. The mass of the baseball is 1 4 5 g ( 0 . 1 4 5 kg ) . The ball is held 1 . 2 m from the ground. What is the potential energy of the baseball in my hand...
-
A golf ball is hit with horizontal velocity of 1 4 m / s and vertical velocity of 1 0 m / s . a. How long ( how many seconds ) is the ball moving upward before coming back down? b. How long does...
-
Theorem: The negative of every irrational number is irrational. Proof: 1. Suppose there is some irrational number p such that -p is rational. 2. -p = m/n, where m and n are both integers and n # 0 3....
-
Hypertext is: Very large text Structured text in which transitions can be made on selected marks Text typed on a computer Text that uses a large font
-
A branch in an algorithm can be a good marker to indicate _ _ _ _ _ _ _ _ _ _ when developing a program. a . ) a point to gather input b . ) a point to produce output c . ) a potential pattern d . )...
-
____________ refers to the chronic exhaustion from persistent workload, decreased motivation, and apathy toward work.
-
It is possible to investigate the thermo chemical properties of hydrocarbons with molecular modeling methods. (a) Use electronic structure software to predict cHo values for the alkanes methane...
-
Prove that if "exists and "(x) > 0 for all x, then the graph of sits above its tangent lines. (a) For any c, set G(x) = f(x) = f'(c)(x - c) - f(c). It is sufficient to prove that G(x) > 0 for all c....
-
One way to evaluate the effectiveness of a teaching assistant is to examine the scores achieved by his or her students on an examination at the end of the course. Obviously, the mean score is of...
-
A company produces electric devices operated by a thermostatic control. The standard deviation of the temperature at which these controls actually operate should not exceed 2.0F. For a random sample...
-
An instructor has decided to introduce a greater component of independent study into an intermediate microeconomics course as a way of motivating students to work independently and think more...
-
A portfolio has a standard deviation of 25%. The correlation of the portfolio and the market is 1. If the risk-free rate is 3.2%, the expected return on the market portfolio is 11%, and the standard...
-
(6 pts.) The following gas phase reaction system is conducted in an isothermal constant volume batch reactor. The reactor is charged with pure A with an initial concentration CAO AB ri = k CA B D r2...
-
Based on the NPV and IRR investment criteria, should your company introduce a new candy flavor? 1) Should the cost of a marketing survey be included in your decision? Why or why not? 2) Calculate the...
Study smarter with the SolutionInn App