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ICGB · Question #93

In a Hypothesis Test for Means, a sample size of 20 has produced a Mean of 9.5 mm with a Standard Deviation of 0.5 mm. The customer specification on the part is 10 mm. At 5% significance level, what…

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Question

In a Hypothesis Test for Means, a sample size of 20 has produced a Mean of 9.5 mm with a Standard Deviation of 0.5 mm. The customer specification on the part is 10 mm. At 5% significance level, what should the customer do?

Options

  • AReject the lot
  • BAccept the lot
  • CState the population Mean is greater than 10 mm
  • DChange their specification to 9.5 mm

How the community answered

(32 responses)
  • A
    6% (2)
  • B
    81% (26)
  • C
    9% (3)
  • D
    3% (1)

Explanation

You've hit your session limit · resets 5:20pm (America/New_York)

Topics

#hypothesis testing#means test#significance level#sample mean

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