A researcher wants to know if there is a difference in how busy someone is based on whether that person identifies as an early bird or a night owl. The researcher gathers data from randomly selected people in each group, the higher scores represent higher levels of being busy. Test for a difference between the two at the 10% level of significance. Scores are normally distributed and population variances are assumed to be not equal. Early Bird 2. 23 28 27 29 26 30 22 25 27 33 Night Owl 26 11 20 19 26 18 13 25 22 Solve first for the mean and standard deviation first. Use the standard deviation formula with n-1 as the denominator. a. Claim (in symbolic form):
A researcher wants to know if there is a difference in how busy someone is based on whether that person identifies as an early bird or a night owl. The researcher gathers data from randomly selected people in each group, the higher scores represent higher levels of being busy. Test for a difference between the two at the 10% level of significance. Scores are normally distributed and population variances are assumed to be not equal. Early Bird 2. 23 28 27 29 26 30 22 25 27 33 Night Owl 26 11 20 19 26 18 13 25 22 Solve first for the mean and standard deviation first. Use the standard deviation formula with n-1 as the denominator. a. Claim (in symbolic form):
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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Please answer letter d with solutions and not in excel form. Thank you.
Transcribed Image Text:2. A researcher wants to know if there is a difference in how busy someone is based on whether that person identifies
as an early bird or a night owl. The researcher gathers data from randomly selected people in each group,
the higher scores represent higher levels of being busy. Test for a difference between the two at the 10% level of
significance. Scores are normally distributed and population variances are assumed to be not equal.
Early Bird
23
28
27
29
26
30
22
25
27
33
Night Owl
26
11
20
19
26
18
13
25
22
Solve first for the mean and standard deviation first. Use the standard deviation formula with n-1 as the
denominator.
a. Claim (in symbolic form): .
Họ:
На:
b. level of significance:
test-statistic:
tail of distribution:_
c. Decision Rule: Reject Ho if
d.Computation
e. Decision (Reject Ho or
led to reject Ho)
f. Conclusion
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