Test Hypotheses about a Population Mean with Unknown
-A local group claims that the police issue at least 60 parking tickets a day in their area. To prove their point, they randomly select two weeks. Their research yields the number of tickets issued for each day. The data are listed below. At $\alpha = 0.01$, test the group's claim.
$$\begin{array} { l l l l l l l l l l }
70 & 48 & 41 & 68 & 69 & 55 & 70 & 57 & 60 & 83 \
32 & 60 & 72 & 58 & & & & & &
\end{array}$$

Question

Test Hypotheses about a Population Mean with Unknown
-A local group claims that the police issue at least 60 parking tickets a day in their area. To prove their point, they randomly select two weeks. Their research yields the number of tickets issued for each day. The data are listed below. At $\alpha = 0.01$, test the group's claim.
$$\begin{array} { l l l l l l l l l l } 
70 & 48 & 41 & 68 & 69 & 55 & 70 & 57 & 60 & 83 \
32 & 60 & 72 & 58 & & & & & &
\end{array}$$

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The Answer of Test Hypotheses about a Population Mean with Unknown
-A local group claims that the police issue at least 60 parking tickets a day in their area. To prove their point, they randomly select two weeks. Their research yields the number of tickets issued for each day. The data are listed below. At $\alpha = 0.01$, test the group's claim.
$$\begin{array} { l l l l l l l l l l } 
70 & 48 & 41 & 68 & 69 & 55 & 70 & 57 & 60 & 83 \
32 & 60 & 72 & 58 & & & & & &
\end{array}$$

Test Hypotheses About a Population Mean with Unknown -A Local α=0.01\alpha = 0.01α=0.01

Test Hypotheses About a Population Mean with Unknown
-A Local $\alpha = 0.01$