What Is the Mean for the Population of Scores Shown $$\begin{array} { l l } \ X & \mathrm { f } \\\hline 5 & 1 \\4 & 2 \\3 & 3 \\2 & 4 \\1 & 2\end{array}$$

question 20

Multiple Choice

What is the mean for the population of scores shown in the frequency distribution table? $$\begin{array} { l l } \ X & \mathrm { f } \\\hline 5 & 1 \\4 & 2 \\3 & 3 \\2 & 4 \\1 & 2\end{array}$$

• A)15/5 = 3
• B)15/12 = 1.25
• C)32/5 = 6.60
• D)32/12 = 2.67

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