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Business, 21.05.2020 21:59 AdoNice

A professor of statistics claimed that the average amount of money a typical college

student spends per day during social distancing at home is over $70. Based upon

previous research, the population standard deviation is estimated to be $17.32. The

professor surveys 35 students and finds that the mean spending is $67.57. Is there

evidence that the average amount spent by students is less than $70? State hypotheses,

calculated value, critical value at a = 0.1

the professor wants to know wether the sample mean 67.57 is high enough.

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Answers: 1

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