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'?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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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.
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: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
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'?
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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