Question: Question 2 of 14 (1 point) | Question Attempt: 2 Espanol Babies; A sample of 25 one-year-old girls had a mean weight of 24.1 pounds

 Question 2 of 14 (1 point) | Question Attempt: 2 Espanol

Question 2 of 14 (1 point) | Question Attempt: 2 Espanol Babies; A sample of 25 one-year-old girls had a mean weight of 24.1 pounds with a standard deviation of 4.3 pounds. Assume that the population of weights is normally distributed. A pediatrician claims that the standard deviation of the weights of one-year-old girls is greater than 7 pounds. Do the data provide convincing evidence that the pediatrician's claim is true? Use the a=0.05 level of significance. Part 1 of 5 State the appropriate null and alternate hypotheses. 7 H :5 > M 7 This hypothesis test is a right-tailed V test. Part: 1 / 5 Part 2 of 5 Find the critical value. Round the answer to three decimal places, For a = 0.05, the critical value is X Skip Part Check Save For Later Submit Assignment

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!