Question 9 (1 point)
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According to Chebyshev's Theorem, for any distribution of values for a variable, at least $(1-1/z^2)$ of the
values must be within z standard deviations of the mean. What is the proportion of the value that must be
within 3 standard deviations of the mean? Enter your answer as a decimal number between 0 and 1 with 3
digit to the right of the decimal point.
Your Answer:
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Question 10 (1 point)
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If Quartile 0 equals 17, Quartile 1 equals 22, Quartile 2 equals 33, Quartile 3 equals 49, Quartile 4 equals 59,
and Quartile 5 equals 61 for a population, what is the interquartile range? Enter the answer with 3 digits to
the right of the decimal point.
Your Answer:
27
Answer
