Question

8. The heights (in cm) of an SRS of nine children are given below at their 11$^{th}$ and 12$^{th}$ birthdays: Child 1 2 3 4 5 6 7 8 9 11$^{th}$ Birthday 113 116 106 105 106 118 116 103 115 12$^{th}$ Birthday 119 120 111 109 110 122 119 109 121 Find a 95% confidence interval for the average growth of children between the ages of 11 and 12. State any assumptions you need to make.

          8. The heights (in cm) of an SRS of nine children are given below at their 11$^{th}$ and 12$^{th}$ birthdays:
Child
1	2	3	4	5	6	7	8	9
11$^{th}$ Birthday
113	116	106	105	106	118	116	103	115
12$^{th}$ Birthday
119	120	111	109	110	122	119	109	121
Find a 95% confidence interval for the average growth of children between the ages of 11 and 12.
State any assumptions you need to make.

8. The heights (in cm) of an SRS of nine children are given below at their 11^th and 12^th birthdays:
Child
1 2 3 4 5 6 7 8 9
11^th Birthday
113 116 106 105 106 118 116 103 115
12^th Birthday
119 120 111 109 110 122 119 109 121
Find a 95% confidence interval for the average growth of children between the ages of 11 and 12.
State any assumptions you need to make.

Added by Kimberly M.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Lucas Finney

05/14/2024

Step 1

Step 1: Calculate the growth of each child. Show more…

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8. The heights (in cm) of an SRS of nine children are given below at their 11th and 12th birthdays: Child 1 2 3 4 5 6 7 8 9 11th Birthday 113 116 106 105 106 118 116 103 115 12th Birthday 119 120 111 109 110 122 119 109 121 Find a 95% confidence interval for the average growth of children between the ages of 11 and 12. State any assumptions you need to make.