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Ojs123 Ojs123
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6 years ago
For the independent-measures t statistic, what is the effect of increasing the sample variances?
 
  a. Increase the likelihood of rejecting H0 and increase measures of effect size
  b. Increase the likelihood of rejecting H0 and decrease measures of effect size
  c. Decrease the likelihood of rejecting H0 and increase measures of effect size
  d. Decrease the likelihood of rejecting H0and decrease measures of effect size

Question 2

Which of the following confidence intervals also indicates a significant difference between treatments with  = .05?
 
  a. Estimate that 1  2 is in an interval between 2 and 10 with 90 confidence
  b. Estimate that 1  2 is in an interval between 2 and 8 with 90 confidence
  c. Estimate that 1  2 is in an interval between 2 and 10 with 95 confidence
  d. Estimate that 1  2 is in an interval between 2 and 8 with 95 confidence

Question 3

Using an independent-measurest, the 90 confidence interval for the difference between two population means ranges from 19 to 23 . Based on this confidence interval, how big is the difference between the two sample means?
 
  a. 4 points c. 21 points
  b. 19 points d. 23 points
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Ashestreen22Ashestreen22
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6 years ago
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Ojs123 Author
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6 years ago
Brilliant
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This helped my grade so much Perfect
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2 hours ago
You make an excellent tutor!
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