Back to 10.1 Two Population Means with Unknown Standard Deviations

10.1 Exercise 57

Avg difficulty 2.5

Conduct a hypothesis test to answer the next two exercises.

If the level of significance is 0.05, the conclusion is:

  1. There is sufficient evidence to conclude that the W Division teams score fewer goals, on average, than the E teams.
  2. There is insufficient evidence to conclude that the W Division teams score more goals, on average, than the E teams.
  3. There is insufficient evidence to conclude that the W teams score fewer goals, on average, than the E teams.
  4. There is not sufficient evidence to determine a conclusion.

OpenStax Statistics, 10.1 Two Population Means with Unknown Standard Deviations, exercise 57

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