21. To create the following data we started with the same sample means and variances that appeared in problem 20 but increased the sample size to n = 25. M = 2 M = 3 M = 4 n = 25 n = 25 n = 25 %3D T = 50 T = 75 T = 100 %3D s2 = 2.67 s2 = 2.00 s2 = 1.33 %3D %3D a. Predict how the increase in sample size should affect the F-ratio for these data compared to the F-ratio in problem 20. Use an ANOVA to check your prediction. Note: Because the samples are all the same size, MS sample variances. b. Predict how the increase in sample size should affect the value of n² for these data compared to the n? in problem 10. Calculate n? to check your prediction. within is the average of the three

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ferences
measures study comparing three treatment conditions.
among the three treatment means. Note: Because
b. Calculate n? to measure the effect size for this
sample means and variances that appeared in problem
21. To create the following data we started with the same
whe
the samples are all the same size, MS
is the
within
average of the three sample variances.
study.
e
20 but increased the sample size to n
25.
M = 2
M = 3
M = 4
= 25
n =
= 25
n = 25
n =
T = 50
T = 75
T = 100
s2 = 2.67
s2 = 2.00
s2 = 1.33
a. Predict how the increase in sample size should
affect the F-ratio for these data compared to the
F-ratio in problem 20. Use an ANOVA to check
your prediction. Note: Because the samples are all
the same size, MS
sample variances.
b. Predict how the increase in sample size should
affect the value of n? for these data compared to
the n² in problem 10. Calculate n? to check your
prediction.
within
is the average of the three
22. The following values are from an independent-
Treatment
Transcribed Image Text:ferences measures study comparing three treatment conditions. among the three treatment means. Note: Because b. Calculate n? to measure the effect size for this sample means and variances that appeared in problem 21. To create the following data we started with the same whe the samples are all the same size, MS is the within average of the three sample variances. study. e 20 but increased the sample size to n 25. M = 2 M = 3 M = 4 = 25 n = = 25 n = 25 n = T = 50 T = 75 T = 100 s2 = 2.67 s2 = 2.00 s2 = 1.33 a. Predict how the increase in sample size should affect the F-ratio for these data compared to the F-ratio in problem 20. Use an ANOVA to check your prediction. Note: Because the samples are all the same size, MS sample variances. b. Predict how the increase in sample size should affect the value of n? for these data compared to the n² in problem 10. Calculate n? to check your prediction. within is the average of the three 22. The following values are from an independent- Treatment
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