Homework Answers
A larger mean difference and small sample variances, is most likely to produce a larger t value for the independent measures t statistic.
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Which set of sample characteristics is most likely to produce a larger t value for the...
To An independent-measures t hypothesis test is appropriate when the value for a is known a....
To An independent-measures t hypothesis test is appropriate when the value for a is known a. b. the mean for a treated group of subjects is compared to a known population mean C. one sample is used to test a hypothesis about one population P there are two separate samples containing different subjects 17. One sample of n 5 scores has a variance of s 10 and a second sample of n= 10 scores has s pooled variance is computed...
If other factors are held constant, which of the following sets of data is most likely to produce...
If other factors are held constant, which of the following sets of data is most likely to produce a significant value for the repeated-measures t statistic? n = 15 and SS = 10 for the difference scores n = 15 and SS = 100 for the difference scores n = 30 and SS = 10 for the difference scores n = 30 and SS = 100 for the difference scores
For the independent-measures t test, which of the following describes the estimated standard error of M1 - M2 (whose sy...
For the independent-measures t test, which of the following describes the estimated standard error of M1 - M2 (whose symbol is )? O The variance across all the data values when both samples are pooled together O A weighted average of the two sample variances (weighted by the sample sizes) O The difference between the standard deviations of the two samples O An estimate of the standard distance between the difference in sample means (M, - M2) and the difference...
In general, what factors are most likely to reject the null hypothesis for an ANOVA?
In general, what factors are most likely to reject the null hypothesis for an ANOVA?a. small mean differences and small variancesb. small mean differences and large variancesc. large mean differences and small variancesd. large mean differences and large variances
For the independent measures ttast, which of the following describes the estimated standard error of the...
For the independent measures ttast, which of the following describes the estimated standard error of the difference in sample means (whose symbolis )? The difference between the standard deviations of the two samples A weighted average of the two sample variances (weighted by the sample stres) An estimate of the standard distance between the difference in sample means (M. - Me) and the difference in the corresponding population means (Hi-Pa) The variance across all the data values when both samples...
show work for answers please 1.1 . +1.06 and 106 If the score for me The...
show work for answers please
1.1 . +1.06 and 106 If the score for me The critical boundaries for a hypothesis testare -1.90, then what is the correct statistical decision? a Fail to reject H (b) Fail to reject H. c. Reject H d. Reject Ho. 9. If two samples are selected from the same population, under what circumstances will the two samples have exactly the same t statistic? a. If the sample size (n) is the same for both...
Consider the following pair of data sets. Which data set will have the larger ANOVA F test...
Consider the following pair of data sets. Which data set will have the larger ANOVA F test statistic? Why? The value of the test statistic will be larger for Data Set A because it has more spread between the means than Data Set B. The value of the test statistic will be larger for Data Set A because it has a smaller standard deviation than Data Set B. The value of the test statistic will be larger for Data Set B because it has...
Several factors influence the value obtained for the independent-measures t statistic. Some factors affect the numerator...
Several factors influence the value obtained for the independent-measures t statistic. Some factors affect the numerator of the t statistic and others influence the size of the estimated standard error in the denominator. For each of the following, indicate whether the factor influences the numerator or denominator of the t statistic and determine whether the effect would be to increase the value of t (farther from zero) or decrease the value of t (closer to zero). In each case, assume...
19. The data from an independent-measures research study produce a sample mean difference of 4 points...
19. The data from an independent-measures research study produce a sample mean difference of 4 points and a pooled variance of 16. If there are n 8 scores in each sample, then what is the estimated standard error for the sample mean difference? c. 16 d. 128 a. b. 4
only 1-2 please 1) (2) In Experiment A, there are three treatment conditions with M =...
only 1-2 please
1) (2) In Experiment A, there are three treatment conditions with M = 5, M2 = 10, and M3 = 15. In Experiment B, there are three treatment conditions with M1 = 8, M2 = 10, and M3 = 12. Assume that the samples sizes in both experiments are the same. Which experiment has a greater value for MS between? (You don't have enough information to compute precise answers.) a. b. d. there's not enough information to...
To An independent-measures t hypothesis test is appropriate when the value for a is known a. b. the mean for a treated group of subjects is compared to a known population mean C. one sample is used to test a hypothesis about one population P there are two separate samples containing different subjects 17. One sample of n 5 scores has a variance of s 10 and a second sample of n= 10 scores has s pooled variance is computed...
For the independent-measures t test, which of the following describes the estimated standard error of M1 - M2 (whose symbol is )? O The variance across all the data values when both samples are pooled together O A weighted average of the two sample variances (weighted by the sample sizes) O The difference between the standard deviations of the two samples O An estimate of the standard distance between the difference in sample means (M, - M2) and the difference...
For the independent measures ttast, which of the following describes the estimated standard error of the difference in sample means (whose symbolis )? The difference between the standard deviations of the two samples A weighted average of the two sample variances (weighted by the sample stres) An estimate of the standard distance between the difference in sample means (M. - Me) and the difference in the corresponding population means (Hi-Pa) The variance across all the data values when both samples...
show work for answers please
1.1 . +1.06 and 106 If the score for me The critical boundaries for a hypothesis testare -1.90, then what is the correct statistical decision? a Fail to reject H (b) Fail to reject H. c. Reject H d. Reject Ho. 9. If two samples are selected from the same population, under what circumstances will the two samples have exactly the same t statistic? a. If the sample size (n) is the same for both...
Consider the following pair of data sets. Which data set will have the larger ANOVA F test statistic? Why? The value of the test statistic will be larger for Data Set A because it has more spread between the means than Data Set B. The value of the test statistic will be larger for Data Set A because it has a smaller standard deviation than Data Set B. The value of the test statistic will be larger for Data Set B because it has...
19. The data from an independent-measures research study produce a sample mean difference of 4 points and a pooled variance of 16. If there are n 8 scores in each sample, then what is the estimated standard error for the sample mean difference? c. 16 d. 128 a. b. 4
only 1-2 please
1) (2) In Experiment A, there are three treatment conditions with M = 5, M2 = 10, and M3 = 15. In Experiment B, there are three treatment conditions with M1 = 8, M2 = 10, and M3 = 12. Assume that the samples sizes in both experiments are the same. Which experiment has a greater value for MS between? (You don't have enough information to compute precise answers.) a. b. d. there's not enough information to...
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