Round your z-scores to the second decimal place. b. Provide an interpretation for the first three z scores obtained from the Anxiety Level data. c. Without using Excel, what is the mean and standard deviation of the z scores obtained? d. What percentage of z scores are expected to fall in the range of -1.75 to +2.03? e. What percentage of z scores are expected to fall at or below +1.49? f. What percentage of z scores are expected to fall at or below -.67? g. What percentage of z scores are expected to fall at or above +.95? h. What percentage of z scores are expected to fall in the range of -1.75 to -1.21? i. What percentage of z scores are expected to fall in the range of +.41 to +1.49? j. What percentage of anxiety scores are expected to be in the range of '1' to '3'?
Round your z-scores to the second decimal place. b. Provide an interpretation for the first three z scores obtained from the Anxiety Level data. c. Without using Excel, what is the mean and standard deviation of the z scores obtained? d. What percentage of z scores are expected to fall in the range of -1.75 to +2.03? e. What percentage of z scores are expected to fall at or below +1.49? f. What percentage of z scores are expected to fall at or below -.67? g. What percentage of z scores are expected to fall at or above +.95? h. What percentage of z scores are expected to fall in the range of -1.75 to -1.21? i. What percentage of z scores are expected to fall in the range of +.41 to +1.49? j. What percentage of anxiety scores are expected to be in the range of '1' to '3'?
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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Answer the following statistical psychology questions referencing the information given below. I have provided the z-scores and information you need to solve the questions.

Transcribed Image Text:Anxiety level reporte Z-Scores
5 -0.12973
2 -1.75135
8 1.49189
6 0.41081
5 -0.12973
4 -0.67027
7
0.95135
8 1.49189
3 -1.21081
5 -0.12973
7 0.95135
4 -0.67027
5 -0.12973
6 0.41081
3 -1.21081
6 0.41081
4 -0.67027
5 -0.12973
0.95135
7
9 2.03243
2 -1.75135
4 -0.67027
7 0.95135
5 -0.12973
4 -0.67027
Mean
Standard Error
Median
Mode
Standard Deviation
Sample Variance
Kurtosis
Skewness
Range
Minimum
Maximum
Sum
Count
5.24
0.37094
5
5
1.85472
3.44
-0.52974
0.12927
7
2
9
131
25

Transcribed Image Text:Round your z-scores to the second decimal place.
b. Provide an interpretation for the first three z scores obtained from the Anxiety Level
data.
c. Without using Excel, what is the mean and standard deviation of the z scores obtained?
d. What percentage of z scores are expected to fall in the range of -1.75 to +2.03?
e. What percentage of z scores are expected to fall at or below +1.49?
f. What percentage of z scores are expected to fall at or below -.67?
g. What percentage of z scores are expected to fall at or above +.95?
h. What percentage of z scores are expected to fall in the range of -1.75 to -1.21?
i. What percentage of z scores are expected to fall in the range of +.41 to +1.49?
j. What percentage of anxiety scores are expected to be in the range of '1' to '3'?
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