In order to determine whether or not there is a significant difference between the mean hourly wages paid by two companies (of the same industry), the following data have been accumulated. Company A Company B Sample size 90 45 Sample mean $15.75 $15.25 Sample standard deviation $1.00 $0.95 The p-value is 0.0057. At the 5% level of significance, the null hypothesis should be rejected. should be revised. should not be rejected. should not be tested.

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26-04-2022
Mathematics

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In order to determine whether or not there is a significant difference between the mean hourly wages paid by two companies (of the same industry), the following data have been accumulated. Company A Company B Sample size 90 45 Sample mean $15.75 $15.25 Sample standard deviation $1.00 $0.95 The p-value is 0.0057. At the 5% level of significance, the null hypothesis should be rejected. should be revised. should not be rejected. should not be tested.

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topeadeniran2 topeadeniran2 · Answer 1 · 2022-04-28T19:19:15+02:00

The p-value is 0.0057 and at the 5% level of significance, the null hypothesis should A. be rejected.

What is p-value?

It should be noted that the p-value is used to validate a hypothesis against the observed data.

In this case, the p-value is 0.0057 and at the 5% level of significance, the null hypothesis should be rejected. This is because there's no enough evidence to conclude that there's a significant difference.

Learn more about p-value on:

https://brainly.com/question/4621112