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Levene-Brown-Forsythe Test for Comparing Variation in Two

Chapter 9, Problem 20 BB

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QUESTION:

Problem 20 BB

Levene-Brown-Forsythe Test for Comparing Variation in Two Populations Use the weights (g) of pre-1964 quarters and post-1964 quarters listed in Data Set 21 of Appendix B. Use the Levene-Brown-Forsythe test with a 0.05 significance level to test the claim that weights of pre-1964 quarters and weights of post-1964 quarters are from populations with the same standard deviation.

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QUESTION:

Problem 20 BB

Levene-Brown-Forsythe Test for Comparing Variation in Two Populations Use the weights (g) of pre-1964 quarters and post-1964 quarters listed in Data Set 21 of Appendix B. Use the Levene-Brown-Forsythe test with a 0.05 significance level to test the claim that weights of pre-1964 quarters and weights of post-1964 quarters are from populations with the same standard deviation.

ANSWER:

Answer :

Step 1 of 1 :

Given use the weights (g) of pre-1964 quarters and post-1964 quarters listed in Data Set 21 of Appendix B.

The table is given below.

Pre-1964 Quarters

Post-1964 Quarters

Pre-1964 Quarters

Post-1964 Quarters

6.2771

5.7027

6.2674

5.5591

6.2371

5.7495

6.2718

5.5864

6.1501

5.705

6.1949

5.6872

6.0002

5.5941

6.2465

5.6274

6.1275

5.7247

6.3172

5.6157

6.2151

5.6114

6.1487

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