Stats Test 1

3.61

A dataset contains the values 25, 20, 21, 29, and 25. The standard deviation of that distribution is equal to ________.

The score in the distribution are very similar

A relatively small standard deviation would indicate which of the followin?

7

What is the interquartile range for the following set ? 7 8 8 9 11 12 13 13 13 14 15 16 17 17 20

6

Calculate the first quartile for the given data set 5 5 6 6 7 8 9 9 9 9 14 15 19

99

Compute the range for the following five scores 5, 18, 24, 65, 89, and 104.

Mode

The ____ is the only measure of central tendency that can possibly have more than one value.

64

The median of the six scores 23, 34, 56, 72, 103, and 119 is equal to

median

The second quartile is equal to which of the following

13

What is the interquartile range for the following data set? 10 11 13 14 17 18 19 20 20 21 24 25 29 30 30 33 35 36 37

The variance cannot be determined for interval scales of measurement

What is the major problem with using the variance to describe the variability of a distribution

Mean

When one extremely low or extremely high score is present in a distribution, which of the following measures of central tendency MOST accurately represents the center of the distribution?

Mean

Which measure of central tendency is most affected by outiers

315, 313, 315, 317

Which set of score has the least amount of variability?