Listed below are amounts of strontium-90 in a simple random sample of baby teeth obtained from Pennsylvania
Question:
Listed below are amounts of strontium-90 in a simple random sample of baby teeth obtained from Pennsylvania residents and New York residents born after 1979. Use a 0.05 significance level to test the claim that the mean amount of strontium-90 from Pennsylvania residents is greater than the mean amount from New York residents.
![Listed below are amounts of strontium-90 in a simple random](https://dsd5zvtm8ll6.cloudfront.net/si.question.images/image/images7/450-M-S-S-I(716).png)
Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Do the following:
a. Test the given claim using the P-value method or critical value method.
b. Construct a confidence interval suitable for testing the given claim.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Question Posted: