Growth spurt It is generally known that boys grow at an unusually fast rate between the ages of about 12 and 14 Following are heights in inches of 10 b neasured at age 12 and again at age 14 Can you conclude that the mean increase in height is greater than 5 inches Let represent the mean height at a 4 and Use the a 0 10 level and the P value method with the TI 84 Plus calculator Age 12 Age 14 Part 0 4 Send data to Excel Part 1 of 4 H Height 61 4 60 7 55 9 59 7 56 3 63 0 58 6 61 1 59 5 61 6 67 0 65 5 62 1 65 4 61 5 68 5 63 9 65 8 64 5 66 3 a State the appropriate null and alternate hypotheses Ho 0 0 0 Ha