Exam 3: Data Description

If a student scored 75 points on a test where the mean score was 83.5 and the standard deviation was 6.1. The student's z score is ________.

Chebyshev's theorem can be used to find the minimum percentage of the values in a data set that will fall within a certain distance of the mean.

Find the range of the set of values 7, 15, 3, 10, and 5.

The ______________ is the average of the squares of the distance each value is from the mean.

What is the range of the set of values 4, 8, 2, 9, and 17.

A random sample of weights (in carats) of sapphires in a jeweler's collection is shown. Find the mean of the sample.

Determine the range for the following data set. 4, 7, 3, 16, 5, 22, 8

The percentile corresponding to a given data value X is computed by adding the 0.5 to number of values less than X then dividing by the total number of values in the data set.

The range of the following data set is _______. 9, 5, 14, 22, 12

Given that the variance for a data set is 1.20, what is the standard deviation?

For the data set 1, 8, 7, 2, 9, 15, 18, the properly rounded mean is 9.

If a student scored 88 points on a test where the mean score was 80.2 and the standard deviation was 5.7. The student's z score is _______.

The average weight of adult male bison in a particular federal wildlife preserve is 1650 pounds with a standard deviation of 250 pounds. Find the weight of an adult bull whose z-score is -0.5.