What is the alternative hypothesis? Use a nondirectional hypothesis. b) What is the null hypothesis? c) What do you conclude? Use α = 0.05 (2-tail)
What is the alternative hypothesis? Use a nondirectional hypothesis. b) What is the null hypothesis? c) What do you conclude? Use α = 0.05 (2-tail)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
A physiologist has conducted an experiment to evaluate the effect of hormone X on sexual behavior. Ten rats were injected with hormone X and 10 other rats received a placebo injection. The number of matings was counted over a 20-minute period. The results are shown in the table below.
Table 1: Data from hormone X experiment
Group 1 Hormone X |
Group 2 Placebo |
||
X1 |
(X1) 2 |
X2 |
(X1) 2 |
8 |
64 |
5 |
25 |
10 |
100 |
6 |
36 |
12 |
144 |
3 |
9 |
6 |
36 |
4 |
16 |
6 |
36 |
7 |
49 |
7 |
49 |
8 |
64 |
9 |
81 |
6 |
36 |
8 |
64 |
5 |
25 |
7 |
49 |
4 |
16 |
11 |
121 |
8 |
64 |
84 |
744 |
56 |
340 |
a) What is the alternative hypothesis? Use a nondirectional hypothesis.
b) What is the null hypothesis?
c) What do you conclude? Use α = 0.05 (2-tail)
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