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

State Supported Facilities

Privately Owned Facilities

Sample Size

10

10

Sample Mean

605

475

Standard Deviation

82

68

i.State the null and alternative hypothesis

ii.Perform the appropriate test of hypothesis to determine whether there is a significant difference in the average monthly cost per child for childcare between the two types of facilities. Use Alpha = 5%

iii.Present your conclusion and describe how you reached that conclusion