The national distribution of scores on the Advanced Placement (AP) examination in statistics (out of a possible 5 points) is provided in the following table. Score 1 or 2 3 4 5 Percentage 40% 25% 23% 12% A simple random sample of 100 high school students who took the AP exam in statistics is taken from the high schools in a certain school district. The observed counts based on this sample of students are provided in the following table. Score 1 or 2 3 4 5 Count 18 19 37 26 The chi-square statistic for these data equals 38.4. What do we know about the P-value for testing if the national model can be used for students in this school district? P-value < 0.005 O P-value > 0.005

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The national distribution of scores on the Advanced Placement (AP) examination in statistics (out of a possible 5
points) is provided in the following table.
Score
1 or 2
3
5
Percentage
40%
25%
23%
12%
A simple random sample of 100 high school students who took the AP exam in statistics is taken from the high
schools in a certain school district. The observed counts based on this sample of students are provided in the
following table.
Score
1 or 2
3
4
5
Count
18
19
37
26
The chi-square statistic for these data equals 38.4. What do we know about the P-value for testing if the national
model can be used for students in this school district?
P-value < 0.005
P-value > 0.005
Can't tell
Transcribed Image Text:The national distribution of scores on the Advanced Placement (AP) examination in statistics (out of a possible 5 points) is provided in the following table. Score 1 or 2 3 5 Percentage 40% 25% 23% 12% A simple random sample of 100 high school students who took the AP exam in statistics is taken from the high schools in a certain school district. The observed counts based on this sample of students are provided in the following table. Score 1 or 2 3 4 5 Count 18 19 37 26 The chi-square statistic for these data equals 38.4. What do we know about the P-value for testing if the national model can be used for students in this school district? P-value < 0.005 P-value > 0.005 Can't tell
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