A sample of n = 47 data values randomly collected from a normally distributed population has standard deviation s = 2.3. We wish to test the null hypothesis Ho :0 = 2.8 against the alternative hypothesis H1:0 # 2.8 at a significance of a = 0.05. What is the value of the test statistic? Write your answer rounded to 3 decimal places. What are the critical values? Write your answers rounded to 3 decimal places. Upper CV: Lower CV: Do we reject the null hypothesis? O We fall to reject the null hypothesis. O We reject the null hypothesis.

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A sample of n = 47 data values randomly collected from a normally distributed population has
2.3. We wish to test the null hypothesis Ho :0 = 2.8 against the
standard deviation s
%3D
alternative hypothesis H1:0 + 2.8 at a significance of a = 0.05.
What is the value of the test statistic? Write your answer rounded to 3 decimal places.
What are the critical values? Write your answers rounded to 3 decimal places.
Lower CV:
Upper CV:
Do we reject the null hypothesis?
OWe fail to reject the null hypothesis.
O We reject the null hypothesis.
Transcribed Image Text:A sample of n = 47 data values randomly collected from a normally distributed population has 2.3. We wish to test the null hypothesis Ho :0 = 2.8 against the standard deviation s %3D alternative hypothesis H1:0 + 2.8 at a significance of a = 0.05. What is the value of the test statistic? Write your answer rounded to 3 decimal places. What are the critical values? Write your answers rounded to 3 decimal places. Lower CV: Upper CV: Do we reject the null hypothesis? OWe fail to reject the null hypothesis. O We reject the null hypothesis.
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