The number of visits to a certain web site were counted each day of a particular week. ) $\begin{array}{cc}
\hline \text { Day } & \text { Number of Visits } \
\hline \text { Sunday } & 147 \
\text { Monday } & 76 \
\text { Tuesday } & 146 \
\text { Wednesday } & 134 \
\text { Thursday } & 132 \
\text { Friday } & 160 \
\text { Saturday } & 132 \
\hline
\end{array}$
Test the hypothesis that web site visits are equally likely to occur on any day of the week. $\alpha = 0.01$ level of significance.
A) Reject $H _ { 0 }$. The visits do not appear to be equally likely.
B) Do not reject $H _ { 0 }$. The visits may be equally likely.

Question

Quizplus · Accepted Answer

To test the hypothesis that visits are equally likely on any day, we calculate the expected visits per day assuming uniform distribution and compare it to the observed visits using a chi-square test. The observed variation in visits across days suggests that visits are not equally likely, leading to the rejection of the null hypothesis at the 0.01 significance level.

The Number of Visits to a Certain Web Site Were