Question: I need help finding T stat, P, and intervel Listed in the data table are IQ scores for a random sample of subjects with medium

I need help finding T stat, P, and intervel

Listed in the data table are IQ scores for a random sample of subjects with medium lead levels in their blood. Also listed are statistics from a study done of IQ scores for a random sample of subjects with high lead levels. 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.

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a. Use a 0.01 significance level to test the claim that the mean IQ scores for subjects withmedium lead levels is higher than the mean for subjects with high lead levels.

What are the null and alternative hypotheses? Assume that population 1 consists of subjects with medium lead levels and population 2 consists of subjects with high lead levels.

data: Medium Lead Level

High Lead Level

101

111

=11

x2=87.745

s2=10.205

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Do not take criticism personally, even if it is meant to be personal.

2. To understand that as a general rule it takes about 3 minutes before the other part(s) have made up a 90% impression of you.

3. To understand that the first impression means a lot, and it takes a lot of energy to change this first impression.