Question: 4 decimals. Thanks A high school teacher hypothesizes a negative relationship between performance in exams and in presentations.To examine this, the teacher computes a correlation

4 decimals. Thanks

A high school teacher hypothesizes a negative relationship between performance in exams and in presentations.To examine this, the teacher computes a correlation of -0.44 from a random sample of 25 students from class.What can the teacher conclude with anof 0.05?

a)Obtain/compute the appropriate values to make a decision aboutH0.

  • Critical Value =
  • Test Statistic =
  • Decision:

---Select---

  1. Reject H0
  2. Fail to reject H0

b)Compute the corresponding effect size(s) and indicate magnitude(s).

If not appropriate, input and/or select "na" below.

  • Effect Size =
  • Magnitude:

---Select---

  1. na
  2. trivial effect
  3. small effect
  4. medium effect
  5. large effect

c)Make an interpretation based on the results.

  1. There is a significant positive relationship between performance in exams and performance in presentations.
  2. There is a significant negative relationship between performance in exams and performance in presentations.
  3. There is no significant relationship between performance in exams and performance in presentations. m

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