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Paired t-test A doctor wants to test if a new "Spanish fly pill" increases the number of dates ove the course of a year. He chooses ten girls, counts the number of dates over a year and then gives them the " Spanish Fly" for the next year. The data is as follows:   BEFORE:      12    8    13    5    0    11    2     6    18   20 AFTER:        17    9     25    7   0    14    8     2    10   21 DIFF:            5      1     12     2   0      3     6    -4   -8    1   Can he say that the pill really works?   Ho: mu  d = 0 Ha: mu  d > 0

Paired t-test A doctor wants to test if a new "Spanish fly pill" increases the number of dates ove the course of a year. He chooses ten girls, counts the number of dates over a year and then gives them the " Spanish Fly" for the next year. The data is as follows:   BEFORE:      12    8    13    5    0    11    2     6    18   20 AFTER:        17    9     25    7   0    14    8     2    10   21 DIFF:            5      1     12     2   0      3     6    -4   -8    1   Can he say that the pill really works?   Ho: mu  d = 0 Ha: mu  d > 0

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Paired t-test

A doctor wants to test if a new "Spanish fly pill" increases the number of dates ove the course of a year. He chooses ten girls, counts the number of dates over a year and then gives them the " Spanish Fly" for the next year. The data is as follows:

 

BEFORE:      12    8    13    5    0    11    2     6    18   20

AFTER:        17    9     25    7   0    14    8     2    10   21

DIFF:            5      1     12     2   0      3     6    -4   -8    1

 

Can he say that the pill really works?

 

Ho: mu  d = 0

Ha: mu  d > 0

 

 

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