A professor is interested to see if the graduating seniors in her class have higher or...
A professor is interested to see if the graduating seniors in her class have higher or lower college GPAs compared to their respective high school GPAs.
What type of test should she use?
A A two-sample t-test because she is comparing means in two independent samples
B A Wilcoxon test because that is the most powerful test with two dependent samples
C A paired t-test because she is comparing means in two dependent samples
D A Mann-Whitney test because the data are ranks
Homework Answers
C A paired t-test because she is comparing means in two dependent samples
(since both groups have same subjects)
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A professor is interested to see if the graduating seniors
in her class have higher or...
EOC 11.10 Homework Unanswered Professor Brown is interested to see if the graduating seniors in her...
EOC 11.10 Homework Unanswered Professor Brown is interested to see if the graduating seniors in her sociology class have higher or lower college GPAS compared to their respective high school GPAs. Click on the research hypothesis given Dr. Brown's research question. HO HCO H. 20 ** ** o uso to EOC 11.26 Homework Unanswered Fill in the Blanks To be able to use z for testing the differences between two statistics, both of the two samples must be greater than...
5. A teacher was interested in the mathematical ability of graduating high school seniors in her...
5. A teacher was interested in the mathematical ability of graduating high school seniors in her state. She gave a 32-item test to a random sample of 15 seniors with the following results: mean = 1270, and standard deviation = 160. Find the 95% confidence interval and write a sentence describing what it means. Show your work.
A researcher measured a group of people's physiological reactions while watching horror films and compared them...
A researcher measured a group of people's physiological reactions while watching horror films and compared them to when watching comedy films. The resulting data were normally distributed What test should be used to analyse the data? Independent samples t-test Mann-Whitney test Paired samples (dependent or related) t-test Wilcoxon signed-rank test
only need 2-sample t-test for equal variance filled out 1. Create a table using the provided...
only need 2-sample t-test for equal variance filled
out
1. Create a table using the provided headings for the following tests. The comparison is what is being statistical tested. The other assumptions column should be any additional information needed to distinguish when that test is used as compared to the other tests in the table. (5 pts) Tests to include: 2-sample t-test for equal variance, 2-sample t-test for unequal variance, Mann-Whitney U-test, Z-test, Paired t-test, Wilcoxon Signed Rank Test, 1-Sample...
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3. A researcher is interested in comparing the average self-esteem scores between college educated adults and non-college educated adults. She collects a sample from each population to be in the study, which of the following tests would be appropriate for this analysis? i. Paired t test ii. Correlation Independent Samples T test iv. One Sample t test iii.
We are interested in determining whether a sample of students at FAU differ significantly from the...
We are interested in determining whether a sample of students at FAU differ significantly from the national college population in terms of the average amount of time spent in college. To evaluate this, we need to conduct a(n) independent samples t-test dependent samples t-test one-sample t-test any of these would be appropriate Question 8 1 pts We are interested in determining whether husbands differ from their wives on weight loss after taking a weight loss supplement. To evaluate this, we...
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QUESTION 1 A real estate company is interested in testing whether, on average, families in Gotham...
QUESTION 1 A real estate company is interested in testing whether, on average, families in Gotham have been living in their current homes for less time than families in Metropolis have. A random sample of 100 families from Gotham and a random sample of 150 families in Metropolis yield the following data on length of residence in current homes. Gotham: Xc =35 months SC =900 Metropolis: =50 months: SM = 1050 Which of the following should be used to test...
please give correct and answer all question.. this is revision question... 14. Which of the following...
please give correct and answer all question.. this is revision
question...
14. Which of the following statistical tests is BEST TO normally distributed data? in statistical tests is BEST to use for comparing two samples A. Independent sample t-test B.Mann-Whitney test C. Regression analysis D. Logistic regression analysis 15. Which of the following is NOT related to central limit theoret? sample size is large. bution of sample mean, x is approximately normal regardless of Xin the population 9. The mean...
EOC 11.10 Homework Unanswered Professor Brown is interested to see if the graduating seniors in her sociology class have higher or lower college GPAS compared to their respective high school GPAs. Click on the research hypothesis given Dr. Brown's research question. HO HCO H. 20 ** ** o uso to EOC 11.26 Homework Unanswered Fill in the Blanks To be able to use z for testing the differences between two statistics, both of the two samples must be greater than...
A researcher measured a group of people's physiological reactions while watching horror films and compared them to when watching comedy films. The resulting data were normally distributed What test should be used to analyse the data? Independent samples t-test Mann-Whitney test Paired samples (dependent or related) t-test Wilcoxon signed-rank test
only need 2-sample t-test for equal variance filled
out
1. Create a table using the provided headings for the following tests. The comparison is what is being statistical tested. The other assumptions column should be any additional information needed to distinguish when that test is used as compared to the other tests in the table. (5 pts) Tests to include: 2-sample t-test for equal variance, 2-sample t-test for unequal variance, Mann-Whitney U-test, Z-test, Paired t-test, Wilcoxon Signed Rank Test, 1-Sample...
3. A researcher is interested in comparing the average self-esteem scores between college educated adults and non-college educated adults. She collects a sample from each population to be in the study, which of the following tests would be appropriate for this analysis? i. Paired t test ii. Correlation Independent Samples T test iv. One Sample t test iii.
We are interested in determining whether a sample of students at FAU differ significantly from the national college population in terms of the average amount of time spent in college. To evaluate this, we need to conduct a(n) independent samples t-test dependent samples t-test one-sample t-test any of these would be appropriate Question 8 1 pts We are interested in determining whether husbands differ from their wives on weight loss after taking a weight loss supplement. To evaluate this, we...
QUESTION 1 A real estate company is interested in testing whether, on average, families in Gotham have been living in their current homes for less time than families in Metropolis have. A random sample of 100 families from Gotham and a random sample of 150 families in Metropolis yield the following data on length of residence in current homes. Gotham: Xc =35 months SC =900 Metropolis: =50 months: SM = 1050 Which of the following should be used to test...
please give correct and answer all question.. this is revision
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14. Which of the following statistical tests is BEST TO normally distributed data? in statistical tests is BEST to use for comparing two samples A. Independent sample t-test B.Mann-Whitney test C. Regression analysis D. Logistic regression analysis 15. Which of the following is NOT related to central limit theoret? sample size is large. bution of sample mean, x is approximately normal regardless of Xin the population 9. The mean...
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