Listed in the data table are amounts of strontium-90 (in millibecquerels, or mBq, per gram of calcium) in a simple random sample of baby teeth obtained from residents in two cities. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. More Info City #1 City #2 105 117 86 67 121 100 113 85 101 90 104 107 213 110 126 111 290 111 100 133 276 101 145 209 Construct a confidence interval suitable for testing the claim that the mean amount of strontium-90 from city #1 residents is greater than the mean amount from city #2 residents.
Listed in the data table are amounts of strontium-90 (in millibecquerels, or mBq, per gram of calcium) in a simple random sample of baby teeth obtained from residents in two cities. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. More Info City #1 City #2 105 117 86 67 121 100 113 85 101 90 104 107 213 110 126 111 290 111 100 133 276 101 145 209 Construct a confidence interval suitable for testing the claim that the mean amount of strontium-90 from city #1 residents is greater than the mean amount from city #2 residents.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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Listed in the data table are amounts of strontium-90 (in millibecquerels, or mBq, per gram of calcium) in a simple random sample of baby teeth obtained from residents in two cities. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Complete parts (a) and (b) below.
More Info
|
|
|
City #1
|
City #2
|
|
---|---|---|
105
|
117
|
|
86
|
67
|
|
121
|
100
|
|
113
|
85
|
|
101
|
90
|
|
104
|
107
|
|
213
|
110
|
|
126
|
111
|
|
290
|
111
|
|
100
|
133
|
|
276
|
101
|
|
145
|
209
|
|
Construct a confidence interval suitable for testing the claim that the mean amount of strontium-90 from city #1 residents is greater than the mean amount from city #2 residents.
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