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erence between Hc Di HB > Hci HB > HO ifference between

erence between Hc Di HB > Hci HB > HO ifference between

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
A multiple-comparison procedure for comparing four treatment means produced the confidence intervals shown below. For each pair of means, indicate which mean is larger or indicate that there is no significant difference. - (μA - μB): (17, 35) - (μA - μC): (7, 23) - (μA - μD): (2, 22) - (μB - μC): (-17, -5) - (μB - μD): (-21, -7) - (μC - μD): (-10, 4) Options for indicating relationships among the means: 1. μA < μB; μA < μC; μA < μD; μB > μC; μB > μD; no significant difference between μC and μD 2. No significant difference between μA and μB; μA < μC; μA < μD; μB > μC; μB > μD; no significant difference between μC and μD 3. μA > μB; μA > μC; μA > μD; μB > μC; μB > μD; μC < μD 4. **μA > μB; μA > μC; μA > μD; μB > μC; μB > μD; no significant difference between μC and μD** (selected) Explanation: The confidence intervals for the differences between the means help determine which means are significantly larger than others. If the interval contains only positive numbers, the first mean is larger; if it contains only negative numbers, the second mean is larger. If it includes zero, there is no significant difference. The bolded option is the correct answer based on these intervals.
Transcribed Image Text:A multiple-comparison procedure for comparing four treatment means produced the confidence intervals shown below. For each pair of means, indicate which mean is larger or indicate that there is no significant difference. - (μA - μB): (17, 35) - (μA - μC): (7, 23) - (μA - μD): (2, 22) - (μB - μC): (-17, -5) - (μB - μD): (-21, -7) - (μC - μD): (-10, 4) Options for indicating relationships among the means: 1. μA < μB; μA < μC; μA < μD; μB > μC; μB > μD; no significant difference between μC and μD 2. No significant difference between μA and μB; μA < μC; μA < μD; μB > μC; μB > μD; no significant difference between μC and μD 3. μA > μB; μA > μC; μA > μD; μB > μC; μB > μD; μC < μD 4. **μA > μB; μA > μC; μA > μD; μB > μC; μB > μD; no significant difference between μC and μD** (selected) Explanation: The confidence intervals for the differences between the means help determine which means are significantly larger than others. If the interval contains only positive numbers, the first mean is larger; if it contains only negative numbers, the second mean is larger. If it includes zero, there is no significant difference. The bolded option is the correct answer based on these intervals.
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