a.  t test for population mean or z test for population proportion  b. μ or p  H0: =, <, >, or ≠ H1:  =, <, >, or ≠ c. z or t

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a.  t test for population mean or z test for population proportion 

b. μ or p 

H0:

=, <, >, or ≠

H1

=, <, >, or ≠

c. z or t 

On average, Americans have lived in 2 places by the time they are 18 years old. Is this average less for
college students? The 67 randomly selected college students who answered the survey question had lived in
an average of 1.99 places by the time they were 18 years old. The standard deviation for the survey group
was 0.3. What can be concluded at the a = 0.10 level of significance?
a. For this study, we should use Select an answer
b. The null and alternative hypotheses would be:
Ho: ?vSelect an answer ↑
H1: ?v Select an answer
c. The test statistic ?v
|(please show your answer to 3 decimal places.)
Transcribed Image Text:On average, Americans have lived in 2 places by the time they are 18 years old. Is this average less for college students? The 67 randomly selected college students who answered the survey question had lived in an average of 1.99 places by the time they were 18 years old. The standard deviation for the survey group was 0.3. What can be concluded at the a = 0.10 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ?vSelect an answer ↑ H1: ?v Select an answer c. The test statistic ?v |(please show your answer to 3 decimal places.)
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