Unit 1 sample multiple choice questions

A reporter wishes to portray-basebal! players as overpaid. V~’rfi.c~h - measure of center
should he report as the average salary of major league players?
A) the mean.
B) the median.
C) either the mean or median. It doesn~ matter since they wil! be equal.
D) neither the mean nor median. Both will be much lower than the acvaal average salary.
Use the following to answer questions
A sample was taken of the salaries of 20 employees of a large company. The following boxplot
shows the salaries (in thousands of dollars) for this year.
Based on.this boxplot, which of the following statements is true7
A) The maximum salary is between 60 and 70 thousand dollars.
B) The minimum salary is 20 thousand dollars.
C) The range of the middle half of the salaries is about 20 thousand dollars.
D) The median salary is about 40 thousand dollars,
Based on this boxplot, which oft~e following statements is true?
A) The salary distribution is fairly symmetric.
B) About 10 employees make over $50,000.
C) Nobody makes over $80,000.
D) All of the above.
~’t
~aseu on Lms boxptot, Llae hw llUfnDer su~IInary iS
A) 2g, 39, 48, 60.5, 77. C) 28, 39, 51, 58, 77.
B) 28, 41, 48, 58, 77. D) 28, 41, 51, 60.5, 77.
A set of data is found to have a sample standard deviation of 25. Suppose 9 were added to
each of the numbers in the data. The standard deviation of the resulting data
A) would still be 25. C) would now be 28.
B) would now be 34. D) cannot be determined.