Suppose that researchers in three different countries collect sample data on whether or not a person has
Question:
Suppose that researchers in three different countries collect sample data on whether or not a person has donated blood within the past year, with the following sample results:
A. 200 blood donors in a sample of 600 people
B. 50 blood donors in a sample of 300 people
C. 250 blood donors in a sample of 1,000 people
Suppose that each researcher wants to test whether the proportion of people in the country who donated blood in the previous year differs from 1/5.
a. Determine the appropriate standardized statistic for each researcher.
b. Based on the standardized statistics, which researcher has the strongest evidence that the population proportion differs from 1/5? Which has the least strong evidence?
Step by Step Answer:
a A z 816 B 144 C ...View the full answer
Introduction To Statistical Investigations
ISBN: 9781118172148
1st Edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
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