Which of the following is NOT an assumption for ANOVA?

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Which of the following is NOT an assumption for ANOVA?

  • All samples must be randomly selected
  • The data is approximately normally distributed
  • The variance must be the same for all treatments.
  • The means must be the same for all treatments

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Six Sigma Advanced Analyze Phase Coursera Quiz Answers

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  1. Suppose we have the following hypothesis Z-test: A vendor claims their parts are shipped with a measurement of 1.86 cm. Assume σ = 0.03, n=64, critical values are ±1.96, and we calculate Z=3.6. What would we conclude?
  2. For continuous data, small sample size, calculate the 95% confidence interval for the population mean. Given: Sample size = 16, average of the samples = 12, df=n-1, and the sample standard deviation is 4.
  3. If we are studying the impact of employee shift length on employee errors made in order-picking, what would the dependent variable be?
  4. According to the chart above, what would the sign for the interaction (sleep studying) term be for run 1?

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