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What is the test statistic of one-mean hypothesis test

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Reference no: EM132849302

Lexie, a chef, claims that her meatball weight is more than 3 ounces, on average. Several of her customers do not believe her, so she decides to do hypothesis test, at a 1%  significance level, to persuade them. She cooks 12  meatballs. The mean weight of the sample meatballs is 3.6  ounces. Lexie knows from experience that the standard deviation for her meatball weight is 0.5  ounces.

  • H
  • 0
  • : μ≤3
  • ; H
  • a
  • : μ>3
  • α=0.01
  •  (significance level)

What is the test statistic (z -score) of this one-mean hypothesis test, rounded to two decimal places?

Reference no: EM132849302

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