Exam 3: Data Description

What is the term for a characteristic or measure obtained by using all the data values for a specific population?

Given the following data set, find the percentile rank for a score of 22. 15, 22, 82, 16, 10, 46

If a set of 9 numbers has standard deviation 8, then its variance is

What is the median of the following numbers? -12, 2, 0, -4, 0, -5, -4, 0

Which of the following is the correct mean for the given data? 7, 8, 13, 9, 10, 11

What is the median of the following numbers? -12, -9, -5, -4, 0

The range of the set of numbers {4, 13, 3, 10, 5} is

Grade Class Boundaries Frequency 89.5-99.5 4 79.5-89.5 7 69.5-79.5 11 59.5-69.5 3 49.5-59.5 3 For the table below, calculate the mean.

The minimum of the set of numbers {-6, 15, -5, 11, 5} is

In a class of 200 students, Bill's mark corresponded to a z-score of 1 and Tom's mark corresponded to a z-score of 2. If the distribution of marks was bell-shaped ('normal') than the number of students with a Grade between Bill's mark and Tom's mark is closest to

Given the following data set, find the value that corresponds to the $75 ^ { \text {th } }$ percentile. 10, 44, 15, 23, 14, 18, 72, 56

If a sample of data has mean 36 and variance 9, then its coefficient of variation is

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

Construct a data set of 4 values for which the SD equals 0 but the mean equals 10.

Given the following data set, find the percentile rank for a score of 34. 56, 42, 34, 37, 28, 28, 35, 55

For the sample 1, 8, 7, 2, 9, 15, and 18, the mean is 7.6.

A five-number summary of a data set consists of the minimum, $Q _ { 1 } , \text { the mean, } Q _ { 3 } , \text { and the }$ maximum.

What is the mean of the following numbers? -12, -9, -5, -4, 0

Given the following data set, find the IQR. 28, 11, 22, 14, 8, 15, 25

A student scored 89 points on a test where the mean score was 83 and the standard deviation was 3. The student's z-score was