Provide an appropriate response.
-Each year advertisers spend billions of dollars purchasing commercial time on network sports television. In the first 6 months of 1988, advertisers spent $1.1 billion. Who were the largest spenders In a recent article, listed the top 10 leading spenders (in million of dollars): $$\begin{array} { l r l r }
\text { Company A } & \$ 71.1 & \text { Company F } & \$ 27.7 \
\text { Company B } & 63.6 & \text { Company G } & 24.3 \
\text { Company C } & 57.7 & \text { Company H } & 21 \
\text { Company D } & 55.3 & \text { Company I } & 21.1 \
\text { Company E } & 29.2 & \text { Company J } & 19.4
\end{array}$$ Calculate the sample variance.
A) 413.26
B) 20.33
C) 39.04
D) 51.70

Question

Provide an appropriate response.
-Each year advertisers spend billions of dollars purchasing commercial time on network sports television. In the first 6 months of 1988, advertisers spent $1.1 billion. Who were the largest spenders In a recent article, listed the top 10 leading spenders (in million of dollars): $$\begin{array} { l r l r } 
\text { Company A } & \$ 71.1 & \text { Company F } & \$ 27.7 \
\text { Company B } & 63.6 & \text { Company G } & 24.3 \
\text { Company C } & 57.7 & \text { Company H } & 21 \
\text { Company D } & 55.3 & \text { Company I } & 21.1 \
\text { Company E } & 29.2 & \text { Company J } & 19.4
\end{array}$$ Calculate the sample variance.
A) 413.26
B) 20.33
C) 39.04
D) 51.70

Quizplus · Accepted Answer

The sample variance is calculated by finding the mean of the data, subtracting the mean from each data point, squaring the result, summing these squares, and then dividing by the number of data points minus one. The calculation based on the provided data results in a sample variance of 413.26.

Provide an Appropriate Response Calculate the Sample Variance