What is the value of the sample test statistic? (Round your answer to three decimal places.) (c) Find (or estimate) the P-value. P-value> 0.500 0.250 < P-value < 0.500 0.010 < P-value < 0.050 P-value < 0.010 0.100 < P-value < 0.250 0.050 < P-value < 0.100
What is the value of the sample test statistic? (Round your answer to three decimal places.) (c) Find (or estimate) the P-value. P-value> 0.500 0.250 < P-value < 0.500 0.010 < P-value < 0.050 P-value < 0.010 0.100 < P-value < 0.250 0.050 < P-value < 0.100
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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11
Transcribed Image Text:What is the value of the sample test statistic? (Round your answer to three decimal places.)
(c)
Find (or estimate) the P-value.
P-value> 0.500 0.250 < P-value < 0.500
0.010 < P-value < 0.050
P-value < 0.010
0.100 < P-value < 0.250 0.050 < P-value < 0.100
Transcribed Image Text:In this problem, assume that the distribution of differences is approximately normal. Note: For degrees of
freedom d.f. not in the Student's t table, use the closest d. f. that is smaller. In some situations, this choice
of d.f. may increase the P-value by a small amount and therefore produce a slightly more "conservative"
answer.
Are America's top chief executive officers (CEOS) really worth all that money? One way to answer this
question is to look at row B, the annual company percentage increase in revenue, versus row A, the CEO's
annual percentage salary increase in that same company. Suppose a random sample of companies
yielded the following data:
B: Percent increase
for company
A: Percent increase
for CEO
USE SALT
24 25 25
18 6
4
21 37
21 25 22 14 -4 19 15 30
Do these data indicate that the population mean percentage increase in corporate revenue (row B) is
different from the population mean percentage increase in CEO salary? Use a 5% level of significance.
(Let d = B-A.)
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