The average around \"moviegoer sees 8.5 movies a year. I move her go where is de
ID: 3182014 • Letter: T
Question
The average around "moviegoer sees 8.5 movies a year. I move her go where is defined as a person who sees at least one movie in a theater in a 12 month period. A random sample of 15 moviegoers from a large university revealed that the average number of movie scene per person was 9.2. the population standard deviation is 3.2 movies. At the 0.10 level of significance, can it be concluded that this represents a difference from the national average?
State the hypothesis and identify the claim with the correct hypothesis
Explanation / Answer
The hypothesis : H0=The moviegoer avaerage is 8.5
here we will do t test .
T= ((sample mean- hypotheisis mean value)/S.d..)* (n)^0.5
here , T= (9.2-8.5)*(15)^0.5/3.2=0.84721510698
t with df 14 for alpha 0.1 =
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