Question 12.115

19. Health Insurance: Children Not Covered. Refer to Exercise 16.

  1. Test whether the population mean number of children without health insurance is the same for all three years, using a one-way ANOVA and level of significance .
  2. Compare your conclusions in Exercises 16 and 19(a). Did the randomized block design help us to find significance?

12.3.19

(a)

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: Not all the population means are equal. Reject if the .

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The p-value = 948 is not . Therefore we do not reject . There is not enough evidence to conclude at level of significance that not all of the population mean number of children not covered by health insurance are the same for all three years.

(b) No.