A statistic test has a mean of 78 and a standard deviation of 6. a) What is the z-score of a student who scored 89 on the test" b) What is the z-score of a student who scored 64 on the test c) What is the z-score of a student who scored 78 on the test

A statistic test has a mean of 78 and a standard deviation of 6. a) What is the z-score of a student who scored 89 on the test" b) What is the z-score of a student who scored 64 on the test c) What is the z-score of a student who scored 78 on the test

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

Week 6 Assignment Part II
For the following set of scores, fill in the cells. The mean is 74.13, a
9.98.
#s ave vounded)
142.09 69
109.14
68
51.6
-0.61
0.79
aw score
1.8
-0.5
-0.51
Z-score
-1.63
A statistic test has a mean of 78 and a standard deviation of 6.
a) What is the z-score of a student who scored 89 on the test?
b) What is the z-score of a student who scored 64 on the test?
c) What is the z-score of a student who scored 78 on the test?
d) What is the score of a student whose z-score is 1.24?
e) What is the score of a student whose z-score is -.31?
f) What is the score of a student whose z-score is -1?

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