A social worker was interested in determining whether there is a significant dif

Question

A social worker was interested in determining whether there is a significant difference the average monthly cost per child for childcare outside the home between state supported facilities and privately owned facilities. Two independent random samples were selected yeilding the following information:

A) find a 90% confidence interval for the true difference in average monthly cost of the childcare. HINT: First find the SE.

B) Interpret the confidence interval in the previous question.

C) Based on the interval can a person conclude there is a significanct difference in average cost of childcare between the state supported facilities and the privately owned facilities? Justify your answer??

State Supported Facilities Privately Owned Facilities Sample Size                         64                           64 Sample Mean                      725                          675 Standard Deviation                         95                         80

Explanation / Answer

A social worker was interested in determining whether there is a significant dif

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