a) Choose the correct plot below. OA. 1.5 0.5- -0.5 0 -1.5+++ tal 8 C 35 45 55 65 Observed value b) The correlation is. Round to three decimal places as needed.) c) The critical value is Round to three decimal places as needed.) Assess the normality of the data. O B. Expected z-score 1.5 0.5- -0.5 Lo O |||||4 -1.5+ O 800 tbt. + 35 45 55 65 Observed value " Q Q G O C. Expected z-score 1.5 0.5- -0.5 -1.5+ 60 0 do Q 。° Q 35 45 55 65 Observed value ✔ OD. 1.5 0.5- -0.5- O -1.59 C 35 45 55 65 Observed value G OA. Because the correlation between the expected z-scores and observed values is less than the critical value, it is not reasonable to conclude the data come from a population that is approximately normal. OB. Because the correlation between the expected z-scores and observed values is less than the critical value, it is reasonable to conclude the data come from a population that is approximately normal. OC. Because the correlation between the expected z-scores and observed values is greater than the critical value, it is not reasonable to conclude the data come from a population that is approximately normal. OD. Because the correlation between the expected z-scores and observed values is greater than the critical value, it is reasonable to conclude the data come from a population that is approximately normal.
a) Choose the correct plot below. OA. 1.5 0.5- -0.5 0 -1.5+++ tal 8 C 35 45 55 65 Observed value b) The correlation is. Round to three decimal places as needed.) c) The critical value is Round to three decimal places as needed.) Assess the normality of the data. O B. Expected z-score 1.5 0.5- -0.5 Lo O |||||4 -1.5+ O 800 tbt. + 35 45 55 65 Observed value " Q Q G O C. Expected z-score 1.5 0.5- -0.5 -1.5+ 60 0 do Q 。° Q 35 45 55 65 Observed value ✔ OD. 1.5 0.5- -0.5- O -1.59 C 35 45 55 65 Observed value G OA. Because the correlation between the expected z-scores and observed values is less than the critical value, it is not reasonable to conclude the data come from a population that is approximately normal. OB. Because the correlation between the expected z-scores and observed values is less than the critical value, it is reasonable to conclude the data come from a population that is approximately normal. OC. Because the correlation between the expected z-scores and observed values is greater than the critical value, it is not reasonable to conclude the data come from a population that is approximately normal. OD. Because the correlation between the expected z-scores and observed values is greater than the critical value, it is reasonable to conclude the data come from a population that is approximately normal.
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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Question
Transcribed Image Text:Use the accompanying data table to (a) draw a normal probability plot, (b) determine the linear correlation between the observed values and the expected z-scores, (c) determine the critical value in the table of critical values of the
correlation coefficient to assess the normality of the data.
Click here to view the data table.
Click here to view the table of critical values for normal probability_plots.
(a) Choose the correct plot below.
A.
Expected z-score
1.5-
0.5-
-0.5-
-1.5-
O
35 45 55 65
Observed value
(b) The correlation is
(Round to three decimal places as needed.)
O
(c) The critical value is.
(Round to three decimal places as needed.)
Assess the normality of the data.
Screen Shot 2023-05-...
Data Table
Index, i
1
234567 0
8
Observed
Value
40
43
49
54
55
57
61
64
O
f₁
0.08
0.20
0.32
0.44
0.56
0.68
0.80
0.92
B.
Expected z-score
1.5-
0.5-
-0.5
-1.5
Ó
。l
35 45 55
Expected
Z-score
- 1.41
- 0.84
-0.47
-0.15
0.15
0.47
0.84
1.41
To
11°
65
Observed value
Ⓒ
o
O
C.
Expected z-score
1.5-
0.5-
-0.5-
-1.5-
5⁰
20
35 45 55 65
Observed value
A. Because the correlation between the expected z-scores and observed values is less than the critical value, it is not reasonable to conclude the data come from a population that is approximately normal.
B. Because the correlation between the expected z-scores and observed values is less than the critical value, it is reasonable to conclude the data come from a population that is approximately normal.
C. Because the correlation between the expected z-scores and observed values is greater than the critical value, it is not reasonable to conclude the data come from a population that is approximately normal.
D. Because the correlation between the expected z-scores and observed values is greater than the critical value, it is reasonable to conclude the data come from a population that is approximately normal.
Screen Shot 2023-...
O
D.
13
14
15
16
17
18
19
20
21
22
23
24
25
30
Expected z-score
1.5-
0.5-
0.880
0.888
0.898
0.906
0.912
0.918
0.923
0.928
0.932
0.935
0.939
0.941
0.944
0.946
0.949
0.951
0.952
0.954
0.956
0.957
0.959
0.960
-0.5-
Sample Size, n Critical Value
5
6
7
8
9
10
11
12
to
O
P
to
-1.59
35 45 55 65
Observed value
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