Question

1. The F ratio may be used to assess difference between (among):

a. two sample means b. three sample means c. four sample means d. All of these

3. With a two-group experimental design, the independent variable has been manipulated at:

a. one level b. two levels c. three levels d. all of these

4. For the F ratio, if alpha is set at .05, it remains at .05 of comparisons are made between (among)

a. 2 group means b. 10 group means c. 45 group means d. all of these

7. When the SS, sum of squares, is large, so too is the:

a. standard deviation b. variance c. both of these d. neither of these

9. The concept of “between variability” is based on:

a. how far the scores in all groups deviate from the total mean b. how far the scores in a single group deviate from their own group mean d. all of these, depending on the between degrees of freedom.

Answer 1

1. F ratio is used to access the difference bet two or more measn

Option d is correct.

3. Option B is correct.

4. Alpha is remains same

Option d is correct.

7. The sum of squares measures the deviation of data points away from the mean value. A higher sum-of-squares result indicates a large degree of variability within the data set, while a lower result indicates that the data does vary considerably from the mean value.

Option C is correct.

9. at two or more levels. The concept of "between variability" is based on. how far each sample mean deviates from the total mean.

Option A is correct.

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