Question

A certain brand of microwave oven was priced at 10 stores in Dallas and 13 stores...

A certain brand of microwave oven was priced at 10 stores in Dallas and 13 stores in San Antonio. The data follow. Use.05 level of significance and test whether prices for the microwave oven are the same in the two cities.

Dallas San Antonio
469 420
423 400
418 417
405 408
463 405
462 448
453 439
431 458
455 414
464 415
466
480
477
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A certain brand of microwave oven was priced at  stores in Dallas and  stores in San Antonio. The data follow. Use  level of significance and test whether prices for the microwave oven are the same in the two cities.

Dallas San Antonio
469 420
423 400
418 417
405 408
463 405
462 448
453 439
431 458
455 414
464 415
466
480
477

What is the mean and standard deviation of the normal distribution that can be used for this statistical test?

What is the sum of the ranks for Dallas?

What is the value of the test statistic?

What is the -value for the hypothesis test (to 4 decimals)?

difference between the sample means is (2 decimals)
Math   Statistics-And-Probability   
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