The average household size in a certain region several years ago was 4.3 people. A census worker wishes to test, at the 5% level of significance, whether it is different now. A random sample of 100 households will be used for the test. The value of the sample mean was 4.02 people with a sample standard deviation 0.98 people. What is the p-value for this test? H:µ= 4.3 H, : µ ± 4.3 O +2.86 O 0.9979 O 0.0042 O 0.0021 O -2.86

MATLAB: An Introduction with Applications
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The average household size in a certain region several years ago was 4.3 people. A census worker
wishes to test, at the 5% level of significance, whether it is different now. A random sample of 100
households will be used for the test. The value of the sample mean was 4.02 people with a sample
standard deviation 0.98 people. What is the p-value for this test?
H :u= 4.3
H : µ ± 4.3
+2.86
O 0.9979
O 0.0042
O 0.0021
-2.86
Transcribed Image Text:The average household size in a certain region several years ago was 4.3 people. A census worker wishes to test, at the 5% level of significance, whether it is different now. A random sample of 100 households will be used for the test. The value of the sample mean was 4.02 people with a sample standard deviation 0.98 people. What is the p-value for this test? H :u= 4.3 H : µ ± 4.3 +2.86 O 0.9979 O 0.0042 O 0.0021 -2.86
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