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. Use a 0.05 significance level to test the claim that the mean amount of strontium-90 from city #1 residents is greater than the mean amount from city #2 residents, E Click the icon to view the data table of strontium-90 amounts. What are the null and alternative hypotheses? Assume that population 1 consists of amounts from city #1 levels and population 2 consists of amounts from city #2. O A. Ho: H1 42 &B. Ho: H1=42 More Info H: P1> H2 H: 41> H2 OC. Ho: H1= H2 O D. Ho: H1SH2 H: 41> H2 City #1 City #2 117 The test statistic is (Round to two decimal places as needed.) 106 52 86 121 100 85 113 101 104 84 107 110 213 145 290 100 328 145 111 133 Enter your answer in the answer box and then click Check Answer. 101 209 2 parts remaining Clear All Print Done Us I

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what is the test stastic:

p value:

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. Use a 0.05 significance level to test the claim that the mean amount of strontium-90 from city #1 residents is greater than
the mean amount from city #2 residents.
Click the icon to view the data table of strontium-90 amounts.
What are the null and alternative hypotheses? Assume that population 1 consists of amounts from city #1 levels and population 2 consists of amounts from city #2.
O A. Ho P1zP2
B. Ho: P1-H2
More Info
H1: P1> P2
H1 P1> P2
O C. Ho- H1= #2
O D. Ho: H1<H2
H1: P1> P2
City #1
106
City #2
117
The test statistic is (Round to two decimal places as needed.)
86
52
121
100
113
85
101
84
104
107
213
110
145
290
111
130
100
133
Enter your answer in the answer box and then click Check Answer.
101
328
145
209
parts
remaining
Clear All
Print
Done
Us |
SAMSUNG
Transcribed Image Text: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. Use a 0.05 significance level to test the claim that the mean amount of strontium-90 from city #1 residents is greater than the mean amount from city #2 residents. Click the icon to view the data table of strontium-90 amounts. What are the null and alternative hypotheses? Assume that population 1 consists of amounts from city #1 levels and population 2 consists of amounts from city #2. O A. Ho P1zP2 B. Ho: P1-H2 More Info H1: P1> P2 H1 P1> P2 O C. Ho- H1= #2 O D. Ho: H1<H2 H1: P1> P2 City #1 106 City #2 117 The test statistic is (Round to two decimal places as needed.) 86 52 121 100 113 85 101 84 104 107 213 110 145 290 111 130 100 133 Enter your answer in the answer box and then click Check Answer. 101 328 145 209 parts remaining Clear All Print Done Us | SAMSUNG
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