MATH 120 FINAL QUESTIONS WITH VERIFIED ANSWERS

MATH 120 FINAL QUESTIONS WITH VERIFIED
ANSWERS


The distribution of salaries of professional basketball players is skewed to the right.
Which measure
of central tendency would be the best measure to determine the location of the center of
the
distribution?

A) median B) mode C) frequency D) mean - Answers - A) median

The high temperatures (in degrees Celsius) each day over a three week period were as
follows: 17, 18, 20, 22, 21, 19, 16, 15, 18, 20, 21, 21, 22, 21, 19, 20, 19, 17, 16, 16, 17.
Compute
the mean, median, and mode - Answers -

Compute the range for the set of data.
3, 3, 3, 17, 29, 29, 29

A) 169.1 B) 26 C) 17 D) 16.1 - Answers -

Compute the range for the set of data.
2.8, 5.8, 1.6, 4.4, 6.7, 3.8

A) 1.6 B) 4.2 C) 5.1 D) 6.7 - Answers -

For the following data set, approximate the sample standard deviation of monthly
telephone bills
(in dollars).

Bill (in $) Frequency
50-52 2
53-55 5
56-58 12
59-61 19
62-64 7

A) $9.65 B) $3.11 C) $93.12 D) $58.60 - Answers -

For the following data, approximate the mean number of emails received per day.
Emails (per day) Frequency
8-11 3
12-15 34