Question: i need help with this question Q12. (10 points} Identify the null hypothesis, alternative hypothesis, test statistic, critical value(s}, P-value (range of P-value}, conclusion about

i need help with this question

Q12. (10 points} Identify the null hypothesis, alternative hypothesis, test statistic, critical value(s}, P-value (range of P-value}, conclusion about the null hypothesis, and nal conclusion that addresses the original claim. Assume that the two samples are independent simple random samples selected from nonuallv distributed populations. Do not assume that the population standard deviations are equal. A) Use a 0.95 signicance level to test the claim that the mean IQ score of people with low lead levels is higher than the mean IQ score of people with high lead levels. B) Construct a condence interval suitable for testing the given claim. fl = 92.88 f2 = 86.90 3 = 15.34 3 = 8.99

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