IQ scores: Scores on an IQ test are normally distributed. A sample of 25 IQ scores had standard deviation s= 8. The developer of the test claims that the population standard deviation is greater than o= 13. Do these data provide sufficient evidence to support this claim? Use the a=0.01 level of significance. Part: 0/ 5 Part 1 of 5 State the appropriate null and alternate hypotheses. Ho: (Choose one) ▼ H: (Choose one) V

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IQ scores: Scores on an IQ test are normally distributed. A sample of 25 IQ scores had standard
deviation s= 8. The developer of the test claims that the population standard deviation is greater than
o= 13. Do these data provide sufficient evidence to support this claim? Use the a=0.01 level of
significance.
民
Part: 0/ 5
Part 1 of 5
alo
State the appropriate null and alternate hypotheses.
Ho: (Choose one) ▼
H1:0 (Choose one) ▼
This hypothesis test is a (Choose one)
test.
Transcribed Image Text:IQ scores: Scores on an IQ test are normally distributed. A sample of 25 IQ scores had standard deviation s= 8. The developer of the test claims that the population standard deviation is greater than o= 13. Do these data provide sufficient evidence to support this claim? Use the a=0.01 level of significance. 民 Part: 0/ 5 Part 1 of 5 alo State the appropriate null and alternate hypotheses. Ho: (Choose one) ▼ H1:0 (Choose one) ▼ This hypothesis test is a (Choose one) test.
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