Consider two samples: one which has 3 observations with a mean of 8.3 and a standard...

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Statistics

Consider two samples: one which has 3 observations with a meanof 8.3 and a standard deviation of 1.2, and another which has 10observations with a mean of 3.0 and a standard deviation of 5.4.Based on these samples, what is likely to be true for thepopulations if we test at the 5% level?

  • A. Only equal variances
  • B. Only equal means
  • C. Both equal means and equal variances
  • D. Neither equal means nor equal variances

Answer & Explanation Solved by verified expert
4.0 Ratings (646 Votes)
For testing of meanNull hypothesis Ho Alternative hypothesis H1 Test statistic is given by Wherem1 first sample mean 83m2 second sample mean 3n1 sample size of first sample 3n2 sample    See Answer
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