Question

1. "The mean of a sample of 10 scores is 100, and the standard deviation is 5. For the following raw scores, compute the z score:

101

112

97 .

For the following z scores, work backward to compute the corresponding raw score:

0.5

1.1

2.12

2. "If a student receives a z score of 0, how well did that student do in comparison with other students in the group?"

3. "You are in charge of a project that is investigating the effects of gender differences on the reading scores of first, third, and fifth graders in three different school districts. Design a data collection form that takes into account the following independent and dependent variables: Gender and School district. You just need to give the first two rows. (Hint: You can insert a table here)"

4. For the following set of 10 scores, compute the range, the standard deviation, and the variance. 5, 7, 3, 4, 5, 6, 7, 2, 5, 3.

Range:

Standard deviation (3 digits after decimal point):

Variance (1 digit after decimal point):

Answer 1

please post 3rd question separately