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 17:30
Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.
Answers: 2
Mathematics, 21.06.2019 19:30
Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?
Answers: 2
Mathematics, 21.06.2019 23:50
What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q
Answers: 3
A recent survey compared the costs of adoption through public and private agencies. For a sample of...
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