Select a random sample of 15 individuals and test one or more of the hypotheses in Exercise
Question:
Select a random sample of 15 individuals and test one or more of the hypotheses in Exercise 1 by using the t test. Use α = 0.05.
Data from in Exercise 1
From the Data Bank, select a random sample of at least 30 individuals, and test one or more of the following hypotheses by using the z test. Use α = 0.05.
a. For serum cholesterol, H0 : µ = 220 milligram percent (mg%). Use σ = 5.
b. For systolic pressure, H0 : µ = 120 millimeters of mercury (mm Hg). Use σ= 13.
c. For IQ, H0 : µ = 100. Use σ= 15.
d. For sodium level, H0 : µ = 140 milliequivalents per liter (mEq/l). Use σ= 6.
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a Now lets use the previous sample data to test this hypothesis The random sample consisted of n 30 individuals The test statistic is z sample mean hy...View the full answer
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Related Book For
Elementary Statistics A Step By Step Approach
ISBN: 9780077665807
9th Edition
Authors: Allan G. Bluman
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