1. Test the hypothesis that the downtown police officers have a higher lead exposure than the group in the previous study. (Use a significance level of 0.05.)Calculate the test statistic. (Round your answer to two decimal places.)t = 1B.What can be said about the P-value for the test?A. p-value > 0.100B. 0.050 < p-value < 0.100 C. 0.025 < p-value < 0.050D. 0.010 < p-value < 0.025E. 0.005 < p-value < 0.010F. p-value < 0.005 Researchers interested in lead exposure due to car exhaust sampled the blood of 52 police officers subjected to constant inhalation of automobile exhaust fumes while working trafficenforcement in a primarily urban environment. The blood samples of these officers had an average lead concentration of 122.38 µg/l and a SD of 39.71 µg/I; a previous study ofindividuals from a nearby suburb, with no history of exposure, found an average blood level concentration of 35 µg/l.

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Description: 1. Test the hypothesis that the downtown police officers have a higher lead exposure than the group in the previous study. (Use a significance level of 0.05.)Calculate the test statistic. (Round your answer to two decimal places.)t = 1B.What can be

Given information Hypothesized mean µ = 35 μg/l Sample size (n) = 52 Mean x̅ = 122.38 μg/l Standard…

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1. Test the hypothesis that the downtown police officers have a higher lead exposure than the group in the previous study. (Use a significance level of 0.05.)

Calculate the test statistic. (Round your answer to two decimal places.)

t =

1B.

What can be said about the P-value for the test?

A. p-value > 0.100

B. 0.050 < p-value < 0.100

C. 0.025 < p-value < 0.050

D. 0.010 < p-value < 0.025

E. 0.005 < p-value < 0.010

F. p-value < 0.005

Researchers interested in lead exposure due to car exhaust sampled the blood of 52 police officers subjected to constant inhalation of automobile exhaust fumes while working traffic
enforcement in a primarily urban environment. The blood samples of these officers had an average lead concentration of 122.38 µg/l and a SD of 39.71 µg/I; a previous study of
individuals from a nearby suburb, with no history of exposure, found an average blood level concentration of 35 µg/l.

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