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Data on the number of tissues used during a cold

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Reference no: EM131888927

Researchers determined that 60 tissues is the average number of tissues used during a cold. Suppose a random sample of 100 Kleenex users yielded the following data on the number of tissues used during a cold: sample mean = 52, standard deviation = 22. Give the null and alternative hypotheses to determine if the number of tissues used during a cold is less than 60. (Note that Xbar is the sample mean.)

Reference no: EM131888927

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