A Researcher Wants to Determine Whether the Number of Minutes $$\chi _ { 0 } ^ { 2 }$$

Multiple Choice

A researcher wants to determine whether the number of minutes adults spend online per day is related to gender. A random sample of 315 adults was selected and the results are shown below. Find the critical value $$\chi _ { 0 } ^ { 2 }$$ to determine if there is enough evidence to conclude that the number of minutes spent online per day is
Related to gender. Use $$\alpha$$ = 0.05. $$\begin{array} { l | c c c c } & { \text { Minutes spent online per day } } \\\hline \text { Gender } & 0 - 30 & 30 - 60 & 60 - 90 & 90 + \\\text { Male } & 25 & 35 & 75 & 45 \\\text { Female } & 30 & 45 & 45 & 15\end{array}$$

A) 7.815
B) 9.348
C) 11.345
D) 6.251