Mathematics, 09.12.2021 03:10 harveyangel123p2tjae
A recent survey compared the costs of adoption through public and private agencies. For a sample of 16 adoptions through a public agency, the mean cost was $21,045, with a standard deviation of $835. For a sample of 18 adoptions through a private agency, the mean cost was $22,840, with a standard deviation of $1,545. Assume the sample populations do not have equal standard deviations and use the .05 significance level a. Determine the number of degrees of freedom and round down to the nearest integer value b. State the decision rule c. Compute the value of the test statistic d. State your decision about the null hypothesis
Answers: 3
Mathematics, 21.06.2019 18:00
The ratio of wooden bats to metal bats in the baseball coach’s bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?
Answers: 1
Mathematics, 21.06.2019 19:30
Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.
Answers: 1
A recent survey compared the costs of adoption through public and private agencies. For a sample of...
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