Use the statistic of Exercise 13 12 to rework Exercise 13 70
Use the statistic of Exercise 13.12 to rework Exercise 13.70, and verify that the square of the value obtained for z equals the value obtained for x2.
In exercise
In random samples, 46 of 400 tulip bulbs from one nursery failed to bloom and 18 of 200 tulip bulbs from another nursery failed to bloom. Use the θ2 statistic to test the null hypothesis θ1 = θ2 against the alternative hypothesis θ1 ≠ θ2 at the 0.05 level of significance.
Statistic of Exercise
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