Big babies: The National Health Statistics Reports described a study in which a sample of 355 one-year-old baby boys were weighed. Their mean weight was 24.9 pounds with standard deviation 5.3 pounds. A pediatrician claims that the mean weight of one-year-old boys is less than 25 pounds. Do the data provide convincing evidence that the pediatrician's claim is true? Use the a 0.10 level of significance and P-value method with the Critical Values for the Student's t Distribution Table. (a) State the appropriate null and alternate hypotheses. (b) Compute the value of the test statistic. (c) State a conclusion.

Question
Big babies: The National Health Statistics Reports described a study in which a sample of 355 one-year-old baby
boys were weighed. Their mean weight was 24.9 pounds with standard deviation 5.3 pounds. A pediatrician claims
that the mean weight of one-year-old boys is less than 25 pounds. Do the data provide convincing evidence that the
pediatrician's claim is true? Use the a 0.10 level of significance and P-value method with the
Critical Values for the Student's t Distribution Table.
(a) State the appropriate null and alternate hypotheses.
(b) Compute the value of the test statistic.
(c) State a conclusion.
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Big babies: The National Health Statistics Reports described a study in which a sample of 355 one-year-old baby boys were weighed. Their mean weight was 24.9 pounds with standard deviation 5.3 pounds. A pediatrician claims that the mean weight of one-year-old boys is less than 25 pounds. Do the data provide convincing evidence that the pediatrician's claim is true? Use the a 0.10 level of significance and P-value method with the Critical Values for the Student's t Distribution Table. (a) State the appropriate null and alternate hypotheses. (b) Compute the value of the test statistic. (c) State a conclusion.

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