Question

Exercise M25 The campaign staff for a state legislator wants to determine whether the legislator's performance rating \( (0-100) \) has changed from last year to this year. The table below shows the legislator's performance ratings from the same 16 randomly selected voters for last year and this year. At \( \alpha=0.01 \), is there enough evidence to conclude that the legislator's performance rating has changed? Assume the performance rating are normally distributed. \begin{tabular}{|ccccccccc|} Salesperson & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 \\ Before & 60 & 54 & 78 & 84 & 91 & 25 & 50 & 65 \\ After & 56 & 48 & 70 & 60 & 85 & 40 & 40 & 55 \\ Salesperson & 9 & 10 & 11 & 12 & 13 & 14 & 15 & 16 \\ Before & 68 & 81 & 75 & 45 & 62 & 79 & 58 & 63 \\ After & 80 & 75 & 78 & 50 & 50 & 85 & 53 & 60 \end{tabular} Renee-CQUPT 53

          Exercise M25
The campaign staff for a state legislator wants to determine whether the legislator's performance rating \( (0-100) \) has changed from last year to this year. The table below shows the legislator's performance ratings from the same 16 randomly selected voters for last year and this year. At \( \alpha=0.01 \), is there enough evidence to conclude that the legislator's performance rating has changed? Assume the performance rating are normally distributed.
\begin{tabular}{|ccccccccc|} 
Salesperson & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 \\
Before & 60 & 54 & 78 & 84 & 91 & 25 & 50 & 65 \\
After & 56 & 48 & 70 & 60 & 85 & 40 & 40 & 55 \\
Salesperson & 9 & 10 & 11 & 12 & 13 & 14 & 15 & 16 \\
Before & 68 & 81 & 75 & 45 & 62 & 79 & 58 & 63 \\
After & 80 & 75 & 78 & 50 & 50 & 85 & 53 & 60
\end{tabular}
Renee-CQUPT
53

Exercise M25
The campaign staff for a state legislator wants to determine whether the legislator's performance rating (0-100) has changed from last year to this year. The table below shows the legislator's performance ratings from the same 16 randomly selected voters for last year and this year. At α=0.01, is there enough evidence to conclude that the legislator's performance rating has changed? Assume the performance rating are normally distributed.

Salesperson 1 2 3 4 5 6 7 8

Before 60 54 78 84 91 25 50 65

After 56 48 70 60 85 40 40 55

Salesperson 9 10 11 12 13 14 15 16

Before 68 81 75 45 62 79 58 63

After 80 75 78 50 50 85 53 60

Renee-CQUPT
53

Added by Kristen S.

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