Perform the significance test that compares the model dress for the age groups o

Question

Perform the significance test that compares the model dress for the age groups of magazine readership. Summarize the results of your test. (Use = 0.05. Round your 2 to three decimal places and round your P-value to four decimal places.)

Magazine readership age group Model dress Young adult Mature adult Not sexual (percent) 72.4% 75.2% Sexual (percent) 27.6% 24.8% Number of ads 1000 500

Perform the significance test that compares the model dress for the age groups of magazine readership. Summarize the results of your test. (Use = 0.05. Round your 2 to three decimal places and round your P-value to four decimal places.)

Explanation / Answer

applying chi square on above:

here 2 =1.336

and p value for above =0.2477

as p vlaue is higher then0.05 level we can not reject null hypothesis; that there is no relationship b/w model dress for the age groups of magazine readership

Observed O young Mature Total Not sexual 724 376 1100 Sexual 276 124 400 Total 1000 500 1500 Expected E=rowtotal*column total/grand total young Mature Total Not sexual 733.333 366.667 1100 Sexual 266.667 133.333 400 Total 1000 500 1500 chi square =(O-E)^2/E young Mature Total Not sexual 0.119 0.238 0.356 Sexual 0.327 0.653 0.980 Total 0.445 0.891 1.336

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