the data table are amounts of strontium-90 (in millibecquereis, or mbq, per gramn of calcium) In a simple random sample of baby teeth obtalned fromn residents in two citles. 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 0.10 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. I Click the icon -isted 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. B. Ho H1 = #2 H 1> H2 OA. Ho H1 = H2 OD. Ho H1 SH2 H: 1> H2 The test statistic is (Round to two decimal places as needed.)
the data table are amounts of strontium-90 (in millibecquereis, or mbq, per gramn of calcium) In a simple random sample of baby teeth obtalned fromn residents in two citles. 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 0.10 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. I Click the icon -isted 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. B. Ho H1 = #2 H 1> H2 OA. Ho H1 = H2 OD. Ho H1 SH2 H: 1> H2 The test statistic is (Round to two decimal places as needed.)
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 58E: Forming an Experimental Group To conduct an experiment, researchers randomly select five students...
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Identify test statistic
Identify p-value
restate the decision in simple, nontechnical terms, and address the original claim.
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 0.10 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 = H2
H1: 41 # H2
OB. Ho: H1=H2
H1: 41> H2
O D. Ho: H1 SH2
H: 41 > H2
O C. Ho: H1 H2
H1: 41> H2
The test statistic is
(Round to two decimal places as needed.)
Transcribed Image Text:City #1
City #2
101
117
86
71
121
100
110
85
101
83
104
107
110
111
213
143
290
102
100
133
262
145
101
209
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