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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 '6 random sample of baby
Listed in the data table are amounts of strontium-90 (in millibecquerels, or mBq, per gram of calcium) in a Simple '6 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 signicance 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. a Click the icon to view the data table of strontium~90 amounts. G 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. v H03P1=l12 H03F1=H2 H13l11>l12 H1-'l'17'l'2 H0191 \"'2 H0411 sz H1il11>l12 H1:p1>p2 The test statistic is D. (Round to two decimal places as needed.) More Info X City #1 City #2 10 105 117 86 87 121 100 117 85 101 80 104 107 213 110 128 111 290 116 100 133 250 101 m 145 209 Print Done
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