The data from a simple random sample with 25 observations was used to construct the plots given below. The normal probability plot that was constructed has a correlation coefficient of 0.943. Judge whether a t-interval could be constructed using the data in the sample. Click here to view the normal probability plot and the boxplot Click here to view the table of critical values of the correlation coefficient. The normal probability plot (Round to three decimal places as needed.) the data could come from normal population because 0.943 ▼ and the boxplot outliers, so a t-interval- be constructed

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The data from a simple random sample with 25 observations was used to construct the plots given below. The normal probability plot that was constructed has a correlation coefficient of 0.943. Judge
whether a t-interval could be constructed using the data in the sample.
Click here to view the normal probability plot and the boxplot.
Click here to view the table of critical values of the correlation coefficient.
The normal probability plot
(Round to three decimal places as needed.)
the data could come from a normal population because 0.943
and the boxplot
outliers, so a t-interval-
be constructed.
Transcribed Image Text:The data from a simple random sample with 25 observations was used to construct the plots given below. The normal probability plot that was constructed has a correlation coefficient of 0.943. Judge whether a t-interval could be constructed using the data in the sample. Click here to view the normal probability plot and the boxplot. Click here to view the table of critical values of the correlation coefficient. The normal probability plot (Round to three decimal places as needed.) the data could come from a normal population because 0.943 and the boxplot outliers, so a t-interval- be constructed.
Normal Probability Plot and Bloxplot
Expected Z-Score
2-
-2-
-20
to
-10 0
10 20
Data
30 40 50 60
Print
Q
Done
10
20
30
40
-X
Critical Values of the Correlation Coefficient
Table of Critical Values
of the Correlation Coefficient
with Normal Probability Plots
Sample Size, n Critical Value
5
0.880
6
0.888
7
0.898
8
0.906
9
0.912
10
0.918
11
0.923
12
0.928
13
14
15
16
17
18
19
20
0.932
0.935
0.939
0.941
0.944
0.946
0.949
0.951
X
Transcribed Image Text:Normal Probability Plot and Bloxplot Expected Z-Score 2- -2- -20 to -10 0 10 20 Data 30 40 50 60 Print Q Done 10 20 30 40 -X Critical Values of the Correlation Coefficient Table of Critical Values of the Correlation Coefficient with Normal Probability Plots Sample Size, n Critical Value 5 0.880 6 0.888 7 0.898 8 0.906 9 0.912 10 0.918 11 0.923 12 0.928 13 14 15 16 17 18 19 20 0.932 0.935 0.939 0.941 0.944 0.946 0.949 0.951 X
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