# Question: Use the statistic of Exercise 13 12 to rework Exercise 13 68

Use the statistic of Exercise 13.12 to rework Exercise 13.68.

In exercise

In random samples, 74 of 250 persons who watched a certain television program on a small TV set and 92 of 250 persons who watched the same program on a large set remembered 2 hours later what products were advertised. Use the x2 statistic to test the null hypothesis θ1 = θ2 against the alternative hypothesis θ1 ≠ θ2 at the 0.01 level of significance.

Statistic of Exercise

In exercise

In random samples, 74 of 250 persons who watched a certain television program on a small TV set and 92 of 250 persons who watched the same program on a large set remembered 2 hours later what products were advertised. Use the x2 statistic to test the null hypothesis θ1 = θ2 against the alternative hypothesis θ1 ≠ θ2 at the 0.01 level of significance.

Statistic of Exercise

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