A Readability Analysis Is Conducted to Determine How Easy Four

Multiple Choice

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.
$$\begin{array} { c c c c } \mathrm { A } & \mathrm { B } & \mathrm { C } & \mathrm { D } \\3 & 10.5 & 1 & 13 \\4 & 12 & 2 & 15 \\6 & 14 & 5 & 18 \\9 & 16 & 7 & 19 \\10.5 & 17 & 8 & 20\end{array}$$