Hypothesis Testing for Means

  • Hypothesis Testing, the z-Test (Activity 10)

    Use a z-test to determine whether the students in a school have above-average intelligence.

  • Hypothesis Testing, the t-Test (Activity 11)

    Examine whether the differences between measurements of the Earth´s rotation angle reveal a real change or whether they can be attributed to chance variability.

  • Hypothesis Testing, Paired t-Test (Activity 12)

    Compare readings from a new eardrum prode thermometer to readings from a standard oral mercury thermometer.

  • Hypothesis Testing, Two-Sample t-Test (Activity 13)

    Examine if the mean heights for 12-year-old and 15-year-old adolescent males are greater than the mean heights for similarly aged females.

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