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Lab | Inferential statistics

Instructions

  1. It is assumed that the mean systolic blood pressure is μ = 120 mm Hg. In the Honolulu Heart Study, a sample of n = 100 people had an average systolic blood pressure of 130.1 mm Hg with a standard deviation of 21.21 mm Hg. Is the group significantly different (with respect to systolic blood pressure!) from the regular population?

    • Set up the hypothesis test.
    • Write down all the steps followed for setting up the test.
    • Calculate the test statistic by hand and also code it in Python. It should be 4.76190. We will take a look at how to make decisions based on this calculated value.

  2. If you finished the previous question, please go through the code for principal_component_analysis_example provided in the files_for_lab folder .