Come from the normal population
The ages of 10 students are listed in years :{ 17,22,19,24,21,23,29,18,22,28 }
(a) Determine the mean, median, mode, sample variance, and range.
(b) Do you think that this sample may have come from the normal population? Why or why not?
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The monthly utility bills are normally distributed with mean value of $150 and standard deviation of $20.
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Determine the mean, median, mode, sample variance, and range. Do you think that this sample may have come from the normal population? Why or why not?
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