Consider the water quality data in Exercise 9-157.(a) Do
Chapter 9, Problem 157SE(choose chapter or problem)
Problem 157SE
Consider the water quality data in Exercise 9-157.
(a) Do these data support the claim that the mean concentration of suspended solids does not exceed 50 parts per million? Use α = 0.05.
(b) What is the P-value for the test in part (a)?
(c) Does the normal distribution seem to be a reasonable model for these data? Perform an appropriate goodness-off it test to answer this question.
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