32) Which assumption for a one-factor within-subjects analysis of variance is most likely to be 32) violated? A) Each subject is tested under each level of the independent variable. B) The scores are normally distributed in the populations sampled. C) The contribution of the individual differences of a subject's scores remains the same over all treatment conditions. D) The variances of scores are equal in the populations sampled. 33) Practice effects and treatment carry-over effects refer to A) control procedures C) between-subjects effects 33) B) subject error D) multiple treatment effects Given below are the analysis of variance results from a Minitab display. Assume that you want to use a 0.05 significance level in testing the null hypothesis that the different samples come from populations with the same mean. 34) Source DE SS 34) MS

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32) Which assumption for a one-factor within-subjects analysis of variance is most likely to be
32)
violated?
A) Each subject is tested under each level of the independent variable.
B) The scores are normally distributed in the populations sampled.
C) The contribution of the individual differences of a subject's scores remains the same over all
treatment conditions.
D) The variances of scores are equal in the populations sampled.
33) Practice effects and treatment carry-over effects refer to
A) control procedures
C) between-subjects effects
33)
B) subject error
D) multiple treatment effects
Given below are the analysis of variance resu
level in testing the null hypothesis that the different samples come from populations with the same mean.
from a Minitab display. Assume that you want to use
significance
34)
Source DF Ss
34)
MS
F
3 30 10.00
8 50
11 80
Factor
1.6
0.264
Error
Total
6.25
What can you conclude about the equality of the population means?
A) Do not reject the null hypothesis since the p-value is greater than the significance level. We
conclude that the factor means are equal.
B) Do not reject the null hypothesis since the p-value is greater than the significance level.
There is not enough evidence to show that the factor means are unequal.
C) Reject the null hypothesis since the p-value is greater than the significance level. We
conclude that at least two of the factor means differ.
D) Reject the null hypothesis since the p-value is greater than the significance level. We
conclude that all of the factor means differ.
E) No conclusion can be made.
35)
35)
Source
F P
DF
MS
Factor
3 13.500 4.500
5.17
0.011
Error
16
13.925 0.870
Total
19
27.425
What can you conclude about the equality of the population means?
A) Reject the null hypothesis since the p-value is less than the significance level. We conclude
that at least two of the factor means differ.
B) Do not reject the null hypothesis since the p-value is greater than the significance level. We
conclude that the factor means are equal.
C) Reject the null hypothesis since the p-value is less than the significance level. We conclude
that all of the factor means differ.
D) Do not reject the null hypothesis since the p-value is less than the significance level. There is
not enough evidence to show that the factor means are unequal.
TRUEFALSE. Write T if the statement is true and 'F if the statement is false.
36) The analysis of variance (ANOVA) tests hypotheses about the population variance.
36)
5
Transcribed Image Text:32) Which assumption for a one-factor within-subjects analysis of variance is most likely to be 32) violated? A) Each subject is tested under each level of the independent variable. B) The scores are normally distributed in the populations sampled. C) The contribution of the individual differences of a subject's scores remains the same over all treatment conditions. D) The variances of scores are equal in the populations sampled. 33) Practice effects and treatment carry-over effects refer to A) control procedures C) between-subjects effects 33) B) subject error D) multiple treatment effects Given below are the analysis of variance resu level in testing the null hypothesis that the different samples come from populations with the same mean. from a Minitab display. Assume that you want to use significance 34) Source DF Ss 34) MS F 3 30 10.00 8 50 11 80 Factor 1.6 0.264 Error Total 6.25 What can you conclude about the equality of the population means? A) Do not reject the null hypothesis since the p-value is greater than the significance level. We conclude that the factor means are equal. B) Do not reject the null hypothesis since the p-value is greater than the significance level. There is not enough evidence to show that the factor means are unequal. C) Reject the null hypothesis since the p-value is greater than the significance level. We conclude that at least two of the factor means differ. D) Reject the null hypothesis since the p-value is greater than the significance level. We conclude that all of the factor means differ. E) No conclusion can be made. 35) 35) Source F P DF MS Factor 3 13.500 4.500 5.17 0.011 Error 16 13.925 0.870 Total 19 27.425 What can you conclude about the equality of the population means? A) Reject the null hypothesis since the p-value is less than the significance level. We conclude that at least two of the factor means differ. B) Do not reject the null hypothesis since the p-value is greater than the significance level. We conclude that the factor means are equal. C) Reject the null hypothesis since the p-value is less than the significance level. We conclude that all of the factor means differ. D) Do not reject the null hypothesis since the p-value is less than the significance level. There is not enough evidence to show that the factor means are unequal. TRUEFALSE. Write T if the statement is true and 'F if the statement is false. 36) The analysis of variance (ANOVA) tests hypotheses about the population variance. 36) 5
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