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    Exam 11: Statistical Inferences Based on Two Samples
  5. Question
    Calculate the T Statistic for Testing Equality of Means Where
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Calculate the T Statistic for Testing Equality of Means Where

Question 135

Question 135

Short Answer

Calculate the t statistic for testing equality of means where Calculate the t statistic for testing equality of means where   <sub>1</sub> = 8.2,   <sub>2</sub> = 11.3, s<sub>1</sub><sup>2</sup> = 5.4, s<sub>2</sub><sup>2</sup> = 5.2, n<sub>1</sub> = 6, and n<sub>2</sub> = 7. (Assume equal population variances.) 1 = 8.2, Calculate the t statistic for testing equality of means where   <sub>1</sub> = 8.2,   <sub>2</sub> = 11.3, s<sub>1</sub><sup>2</sup> = 5.4, s<sub>2</sub><sup>2</sup> = 5.2, n<sub>1</sub> = 6, and n<sub>2</sub> = 7. (Assume equal population variances.) 2 = 11.3, s12 = 5.4,
s22 = 5.2, n1 = 6, and n2 = 7. (Assume equal population variances.)

Correct Answer:

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−2.42
s2 = [(6 − 1)(5.4) + (7 −...

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