Provide an appropriate response A researcher wants to determine whether the numb

Question

Provide an appropriate response A researcher wants to determine whether the number of minutes adults spend online per day is related to gender. A randc sample of 315 adults was selected and the results are shown below. Find the critical value 0 to determine if there is eno evidence to conclude that the number of minutes spent online per day is related to gender. Use a= 0.05. 2 Minutes spent online per day Gender 0-30 30-60 60-90 90+ Male 25 Female304545 15 35 75 45 C 7.815 D 9.348 A 6.251 B) 11.345

Explanation / Answer

Degrees of freedom = (Row - 1)*(Column - 1) = (2 - 1)*(4 - 1) = 3

For 3 degrees of freedom and 0.05 level of significance,

Critical chi square value = 7.815

Option C is correct.

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