Mathematics, 04.12.2019 06:31 bellamore
To test whether or not there is a difference between treatments a, b, and c, a sample of 12 observations has been randomly assigned to the 3 treatments. you are given the results below.
treatment | observation
a | 20 | 30 | 25 | 33
b | 22 | 26 | 20 | 28
c | 40 | 30 | 28 | 22
1.the null hypothesis for this anova problem is?
2.the mean square between treatments (mstr) equals:
a. 1.872
b. 5.86
c.34
d.36
3.the mean square within treatments (mse) equals:
a.1.872
b. 5.86
c. 34
d.36
4. the test statistic to test the null hypothesis equals:
a. 944
b.1.059
c. 3.13
d. 19.231
5. the null hypothesis is to be tested at the 1% level of significance. the critical value from the table is
a.4.26
b.8.02
c. 16.69
d. 99.39
Answers: 2
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