Question: Coursepack, p. 493 6. Conventional wisdom says that the average movie length is 2 hours, but you think this is not true. To check

Coursepack, p. 493 6. Conventional wisdom says that the average movie length

Coursepack, p. 493 6. Conventional wisdom says that the average movie length is 2 hours, but you think this is not true. To check your claims, you gather a random sample of 25 movies from IMDb and find their average length is 108.12 minutes with a standard deviation of 20.95 minutes. (Source and Source) a. Are the requirements for conducting a hypothesis test satisfied? (Note: There are 6.5 million movies listed on IMDb) Explain. Normal Quantile 100 Movie Length 110 120 b. Test your claim at a 1% level of significance showing all steps, work, and graphs. (Use minutes, not hours. Hint: How many minutes are in 2 hours?] MAT 133: Ch. 10 Review WS p.3

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