Stats Solutions

[Solution] A researcher wants to determine if the number of minutes spent online per day is independent of gender. A random sample of 315 adults was selected

Question: A researcher wants to determine if the number of minutes spent online per day is independent of gender. A random sample of 315 adults was selected and the results are shown below. Is there enough evidence at the level of significance to conclude that the number of minutes spent online per day is related to gender?

Minutes Per Day Spent on the Internet
Gender 0 - 30 31 - 60 61 - 90 91 & Over
Male 19 28 80 45
Female 28 38 45 32
  1. State the null and alternative hypotheses. (2 points)
  2. Find the critical value(s) and sketch the rejection region. (2 points)
  3. Find the test statistic. SW (It is not necessary to perform this test by p-value method.) (3 points)
  4. Circle one: Reject H o or Do not Reject H o (2 points)
  5. State the conclusion in terms of the described study. (2 points)

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Solution: The downloadable solution consists of 3 pages
Deliverable: Word Document


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