The Cardiac Care Network in Ontario, Canada, wants to determine whether the wait for by- Dass surgery is longer than the wait for angiography. A sample of 539 bypass patients waited, On average, 19 days with standard deviation 10 days; a sample of 847 angiography patients waited, on average, 18 days with standard deviation 9 days. What kind of a test should CCN perform? z-interval to estimate the difference in two proportions Chi-square test for association t-test for the difference in two means z-test for the difference in two proportions ANOVA t-interval to estimate the difference in two means Page 5 of 42
The Cardiac Care Network in Ontario, Canada, wants to determine whether the wait for by- Dass surgery is longer than the wait for angiography. A sample of 539 bypass patients waited, On average, 19 days with standard deviation 10 days; a sample of 847 angiography patients waited, on average, 18 days with standard deviation 9 days. What kind of a test should CCN perform? z-interval to estimate the difference in two proportions Chi-square test for association t-test for the difference in two means z-test for the difference in two proportions ANOVA t-interval to estimate the difference in two means Page 5 of 42
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
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