[All Steps] [10 marks] Here are the Degree of Reading Power (DRP) scores for a sample of 44 third-grade students: Suppose that the standard deviation of


Question: [10 marks] Here are the Degree of Reading Power (DRP) scores for a sample of 44 third-grade students:

Suppose that the standard deviation of the population of DRP scores is known to be \(\sigma \) = 11.

  1. [4 marks] Give a 95% CI for the population mean score.
  2. [6 marks] Interpret the CI obtained in part (a).

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