Math Solutions

(Solution Library) An investigator wants to determine whether the difficulty of material to be learned influences the anxiety of college students. A random sample

Question: An investigator wants to determine whether the difficulty of material to be learned influences the anxiety of college students. A random sample of 10 students is given both hard and easy material to learn. After part of each task is completed, anxiety levels is measured by using a questionnaire. The anxiety levels are as follows:

Task 1 2 3 4 5 6 7 8 9 10 11 12
Hard 48 71 65 47 53 55 68 71 59 31 80 77
Easy 40 59 58 51 49 55 70 61 57 32 70 69
  1. Find the 95% CI for the difference in the population means
  2. Test whether anxiety is significantly different in the two difficulty conditions using a matched-group t-test.
  3. Redo (a) and (b) assuming two independent groups

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Solution: The downloadable solution consists of 4 pages
Deliverable: Word Document


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