You Roll a Pair of Dice 36 Times and Get }">$\text { cellpadding }=0 " \text { cellspacing }=" 0 " \text { width }=" 59 \% \text { " border="0"> }$

question 152

Multiple Choice

You roll a pair of dice 36 times and get the following set of data. The far column is the expected frequency. }">$\text { cellpadding }=0 " \text { cellspacing }=" 0 " \text { width }=" 59 \% \text { " border="0"> }$

$$\begin{array} { l l l } \text { Outcome } & \text { Frequency } & \text { Expected } \\2 & 1 & 1 \\3 & 1 & 2 \\4 & 2 & 3 \\5 & 3 & 4 \\6 & 5 & 5 \\7 & 5 & 6 \\8 & 5 & 5 \\9 & 5 & 4 \\10 & 3 & 3 \\11 & 2 & 1\end{array}$$ Choose the answer that identifies your mean and correctly compares it to the expected mean.

• A) Your mean: \(8\) This is greater than the expected mean by \(1\) .
• B) Your mean: \(7\) This is less than the expected mean by \(1\) .
• C) Your mean: \(7\) This is equal to the expected mean.
• D) Your mean: \(7\) This is greater than the expected mean by \(2\) .
• E) Your mean: \(9\) This is greater than the expected mean by \(2\) .

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