Can u help me with this multiple choice question ? 102554 n '5' C} Take Quiz Exit assumption? 0 The two samples have equal variances.
Can u help me with this multiple choice question ?
102554 n '5' C} Take Quiz Exit assumption? 0 The two samples have equal variances. O The two population variances are not equal. 0 The two populations have equal variances. O The two sample variances are not equal. D Question 15 1 pts A research study compares the mean weight for a sample of n = 36 participants before they begin a 6-week diet and their mean weight at the end of the diet. This is an example of an independent- measures design. 0 True 0 False Quiz saved at 10:55am Submit Quiz Time Elapsed: Hide Time Attempt due: Jun 19 at mill! 102554 n '5' C} Take Quiz Exit D Question 11 1 pts Which of the following sets of data would produce the largest value for an independent-measures 1 statistic? 0 Sample means of 10 and 12, with sample variances of 20 and 25. 0 Sample means of 10 and 12, with sample variances of 120 and 125. 0 Sample means of 10 and 20, with sample variances of 20 and 25. 0 Sample means of 10 and 20, with sample variances of 120 and 125. D Question 12 1 pts If other factors are held constant, which of the following sets of data is most likely to produce a signicant mean difference? 0 A sample mean difference of 5 points with n = 10 for both samples 0 A sample mean difference of 10 points with n =10 for bmm 10:55 7 Take Quiz Exit Question 12 1 pts If other factors are held constant, which of the following sets of data is most likely to produce a significant mean difference? O A sample mean difference of 5 points with n = 10 for both samples O A sample mean difference of 10 points with n = 10 for both samples O A sample mean difference of 5 points with n = 5 for both samples O A sample mean difference of 10 points with n = 5 for both samples Question 13 1 pts Which set of sample characteristics is most likely to produce a significant value for the independent- measures t statistic and a large effect size? O A large mean difference and small sample variances O A small mean difference and small sample variances10:55 7 Take Quiz Exit Question 14 1 pts What is assumed by the homogeneity of variance assumption? O The two samples have equal variances. O The two population variances are not equal. O The two populations have equal variances. O The two sample variances are not equal. Question 15 1 pts A research study compares the mean weight for a sample of n = 36 participants before they begin a 6-week diet and their mean weight at the end of the diet. This is an example of an independent- measures design. O True False102554 n '5' C} Take Quiz Exit D Question 10 1 pts For an independent-measures If statistic, what is the effect of increasing the number of scores in the samples? 0 Increase the likelihood of rejecting H0 and have little or no effect on measures of effect size 0 Decrease the likelihood of rejecting H0 and have little or no effect on measures of effect size 0 Increase the likelihood of rejecting H0 and decrease measures of effect size 0 Increase the likelihood of rejecting H0 and increase measures of effect size D Question 11 1 pts Which of the following sets of data would produce the largest value for an independent-measures t statistic? 0 Sample means of 10 and 12, with sample variances of 20 and 25. 0 Sample mmsample 102554 n '5' C} Take Quiz Exit decrease measures OI EIIGCI 8126 D Question 9 1 pts For the independent-measures 2' statistic, What is the effect of increasing the difference between sample means? 0 Decrease the likelihood of rejecting H0 and increase measures of effect size 0 Increase the likelihood of rejecting H0 and decrease measures of effect size 0 Increase the likelihood of rejecting H0 and increase measures of effect size 0 Decrease the likelihood of rejecting H0 and decrease measures of effect size D Question 10 1 pts For an independent-measures If statistic, what is the effect of increasing the number of scores in the samples? 0 Increase the likelihood of rejecting H0 and have little or no effect on measures of effect - SIZC 102554 n '5' C} Take Quiz Exit D Question 8 1 pts For the independent-measures t statistic, What is the effect of increasing the sample variances? O Decrease the likelihood of rejecting H0 and increase measures of effect size 0 Increase the likelihood of rejecting H0 and increase measures of effect size 0 Increase the likelihood of rejecting H0 and decrease measures of effect size 0 Decrease the likelihood of rejecting H0 and decrease measures of effect size D Question 9 1 pts For the independent-measures t statistic, What is the effect of increasing the difference between sample means? 0 Decrease the likelihood of rejecting H0 and increase measures of effect size 0 Increase the likelihood of rejecting H0 and decrease measures of effect size 0 Increase the likelihood of rejecting H0 and increase M 102544 n '5' C} Take Quiz Exit to the Whlle taking the qUIZ. D Question 1 1 pts Which of the following research situations would be most likely to use an independent-measures design? 0 Compare the blood-pressure readings before medication and after medication for a group a patients with high blood pressure. 0 Examine the development of vocabulary as a group of children mature from age 2 to age 3. 0 Examine the long-term effectiveness of a stop- smoking treatment by interviewing subjects 2 months and 6 months after the treatment ends. 0 Compare the mathematics skills for 9th-grade boys versus 9th-grade girls. D Question 2 1 pts If an independent-measures design is being used to compare two treatment conditions, then how many different groups of participants would be needed and how many scores would there be for each participant? 102544 n '5' C} Take Quiz Exit D Question 2 1 pts If an independent-measures design is being used to compare two treatment conditions, then how many different groups of participants would be needed and how many scores would there be for each participant? O 1 group, 2 scores each C) 1 group, 1 score each 0 2 groups, 2 scores each 0 2 groups, 1 score each D Question 3 1 pts Which of the following is the correct null hypothesis for an independent-measures t test? OMIzaO Gill-#220 10:55 7 Take Quiz Exit Question 6 1 pts A researcher reports t(22) = 5.30, p MB O MA MB10:54 7 Take Quiz Exit D Question 4 1 pts Two samples, each with n = 5 scores, have a pooled variance of 40. What is the estimated standard error for the sample mean difference? O 20 10 0 4 0 8 D Question 5 1 pts What is the average value expected for the independent-measures t statistic if the null hypothesis is true? OO O M1 - M2 O 1 O+1102554 n '5' C} Take Quiz Exit D Question 13 1 pts Which set of sample characteristics is most likely to produce a signicant value for the independent- measures r statistic and a large effect size? 0 A large mean difference and small sample variances O A small mean difference and small sample variances O A small mean difference and large sample variances O A large mean difference and large sample variances D Question 14 1 pts What is assumed by the homogeneity of variance assumption? 0 The two samples have equal variances. Q The two population variances are not equal. 0 The two Wariances
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