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A recent survery from a Statistic Class at De Anza College was given the following: Have you been to another country(other than US) Female 34

A recent survery from a Statistic Class at De Anza College was given the following:

Have you been to another country(other than US)
Female 34 yes 4 no
Male 28 yes 3 no

a)calculate the sample average and sample standard deviation (Note: Only have sample standard deviation, hence use t-distribution)

b)Decide on a claim to test, meaning construct Ho and HA. Use the following data found from a survey to construct Ho (assuming even split of male and female):

"Research of 2,000 Americans across the country in a new study conducted by market researchers OnePoll, and commissioned by travel luggage provider Victorinox, found that -- Forty percent of those questioned said they've never left the country."

c)From here, you can choose a left-tail, right-tail, or 2-tail test.

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