Research 351

Week 2 Quiz

Open Note Open Book

1. Determine the mean median and mode for the following group of data

3 2 10 3 7 5 12 14 9 9 8

Mean , Median 12.5, Mode 3 and 9

1. For the following 10 scores, compute the range, the standard deviation and the variance:

5 7 3 4 5 6 7 2 5 3

Range 5, Standard deviation , Range 5

1. What is the maximum and minimum scores of the following data

32 36 31 30 33 33 36 37 39 33 31 30 33 39 34 38

Minimum 30, Maximum 39

1. What is a Z-score and what is the purpose of the Z-score?

Z-Scores indicate whether a certain score is equal to, below or above the mean, of a set of scores. They further indicate how far an individual score is away from that mean.

1. Name the 3 types of levels of measurements for the...