Perform the Indicated Hypothesis Test Test the Hypothesis That the Time Spent Online Per Day

question 21

Essay

Perform the indicated hypothesis test. Be sure to do the following: identify the claim and state the null and alternative
hypotheses. Determine the critical value. Calculate the test statistic. Decide to reject or to fail to reject the null
hypothesis and interpret the decision in the context of the original claim.
-A researcher wants to determine whether the time spent online per day is related to gender. A random sample
of 315 adults was selected and the results are shown below. $$\begin{array} { l | c c c c } \text { Gender } & { \text { Time spent online per day (minutes) } } \\\hline & 0 - 30 & 30 - 60 & 60 - 90 & 90 + \\\text { Male } & 25 & 35 & 75 & 45 \\\text { Female } & 30 & 45 & 45 & 15\end{array}$$ Test the hypothesis that the time spent online per day is related to gender. Use $$\alpha = 0.05$$