Find the indicated expected frequency.
-A sports researcher is interested in determining if there is a relationship between the number of home team and visiting team wins and different sports. A random sample of 526 games is selected and the results are given
Below. Find the expected frequency for $$\mathrm { E } _ { 2,2 }$$ tto test the claim that the number of home team and visiting team
Wins are independent of the sport. Round to the nearest tenth if necessary. $$\begin{array} { l | c c c c }
& \text { Football } & \text { Basketball } & \text { Soccer } & \text { Baseball } \
\hline \text { Home team wins } & 41 & 154 & 27 & 81 \
\text { Visiting team wins } & 30 & 98 & 20 & 75
\end{array}$$
A)106.8
B)19.9
C)145.2
D)27.1

Question

Find the indicated expected frequency.
-A sports researcher is interested in determining if there is a relationship between the number of home team and visiting team wins and different sports. A random sample of 526 games is selected and the results are given
Below. Find the expected frequency for $$\mathrm { E } _ { 2,2 }$$ tto test the claim that the number of home team and visiting team
Wins are independent of the sport. Round to the nearest tenth if necessary. $$\begin{array} { l | c c c c } 
& \text { Football } & \text { Basketball } & \text { Soccer } & \text { Baseball } \
\hline \text { Home team wins } & 41 & 154 & 27 & 81 \
\text { Visiting team wins } & 30 & 98 & 20 & 75
\end{array}$$
A)106.8
B)19.9
C)145.2
D)27.1

Quizplus · Accepted Answer

The expected frequency for $$\mathrm { E } _ { 2,2 }$$ is the product of the row and column totals divided by the total number of games. In this case, the expected frequency for $$\mathrm { E } _ { 2,2 }$$ is $$\frac { ( 41 + 30 ) ( 154 + 98 ) } { 526 } = 106.8$$.

Find the Indicated Expected Frequency E2,2\mathrm { E } _ { 2,2 }E2,2​

Find the Indicated Expected Frequency $\mathrm { E } _ { 2,2 }$