A readability analysis is conducted to determine how easy four different newspapers are to read for the average citizen.The sample scores are below: $$\begin{array} { c c c c }
\mathrm { A } & \mathrm { B } & \mathrm { C } & \mathrm { D } \
50 & 59 & 45 & 62 \
50 & 60 & 48 & 64 \
53 & 63 & 51 & 68 \
58 & 65 & 54 & 70 \
59 & 67 & 55 & 72
\end{array}$$
At the ? = .01 level of significance,test the claim that the four newspapers have the same readability level.
A)Reject the null hypothesis.
B)Do not reject the null hypothesis.
$$\begin{array} { c c c c }
\mathrm { A } & \mathrm { B } & \mathrm { C } & \mathrm { D } \
3 & 10.5 & 1 & 13 \
4 & 12 & 2 & 15 \
6 & 14 & 5 & 18 \
9 & 16 & 7 & 19 \
10.5 & 17 & 8 & 20
\end{array}$$

Question

A readability analysis is conducted to determine how easy four different newspapers are to read for the average citizen.The sample scores are below: $$\begin{array} { c c c c } 
\mathrm { A } & \mathrm { B } & \mathrm { C } & \mathrm { D } \
50 & 59 & 45 & 62 \
50 & 60 & 48 & 64 \
53 & 63 & 51 & 68 \
58 & 65 & 54 & 70 \
59 & 67 & 55 & 72
\end{array}$$
At the ? = .01 level of significance,test the claim that the four newspapers have the same readability level.
A)Reject the null hypothesis.
B)Do not reject the null hypothesis.
$$\begin{array} { c c c c } 
\mathrm { A } & \mathrm { B } & \mathrm { C } & \mathrm { D } \
3 & 10.5 & 1 & 13 \
4 & 12 & 2 & 15 \
6 & 14 & 5 & 18 \
9 & 16 & 7 & 19 \
10.5 & 17 & 8 & 20
\end{array}$$

Quizplus · Accepted Answer

The F-statistic is 11.07, which is greater than the critical value of 4.75. Therefore, we reject the null hypothesis and conclude that the four newspapers do not have the same readability level.

A Readability Analysis Is Conducted to Determine How Easy Four