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Determine if the weights for this sample

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A researcher knows that the body weights of 6-year olds in the state is normally distributed with µ = 20.9 kg and σ = 3.2.  She suspects that children in a certain school district are different.  With a sample of n = 16 children, the researcher obtains a sample mean of M = 22.8. 

  1. State the Independent and Dependent Variables
  2. State the Null Hypothesis in words and symbols.

b State the alternative Hypothesis in words and symbols.

  1. Compute the appropriate statistic.
  2. What is the decision (Retain or Reject)
  3. State the full conclusion in words

Effect

Direction

Size of Effect

Use a two-tailed test and the .05 of significance to determine if the weights for this sample are significantly higher  than what would be expected for the regular population of 6-year- olds.

Reference no: EM132479648

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