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Household size For the past several years The mean number

Household size: For the past several years. The mean number of people in a household has been declining. A social scientist believes that in a certain large city, the mean number of people per household is less than 2.5. To investigate this, she takes a simple

a. What are the null and alternate hypotheses?

b. What is the value of the test statistic?

c. What is the P-value?

d. Do you reject Ho at the a = 0.05 level?

e. Do you reject Ho at the a = 0.01 level? II. Interpret calculator display: The following 11-84 Plus display presents the results of a hypothesis test.

a. What are the null and alternate hypotheses?

b. What is the value of the test statistic?

c. What is the P-value?

d. Do you reject Ho at the a = 0.05 level?

e. Do you reject Ho at the a = 0.01 level? II. Interpret calculator display: The following 11-84 Plus display presents the results of a hypothesis test.

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