The Grade Point Averages for 10 Randomly Selected High School $\begin{array} { l l l l l l l l l l } 2.0 & 3.2 & 1.8 & 2.9 & 0.9 & 4.0 & 3.3 & 2.9 & 3.6 & 0.8\end{array}$

question 50

Multiple Choice

The grade point averages for 10 randomly selected high school students are listed below. Assume the grade point averages are normally distributed. $\begin{array} { l l l l l l l l l l } 2.0 & 3.2 & 1.8 & 2.9 & 0.9 & 4.0 & 3.3 & 2.9 & 3.6 & 0.8\end{array}$ Find a 98% confidence interval for the true mean.

• A)(1.55, 3.53)
• B)(0.67, 1.81)
• C)(2.12, 3.14)
• D)(3.11, 4.35)

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