Reference no: EM13110398
Medicare spending per patient in different U.S. metropolitan areas may differ. Based on the sample data below, is the average spending in the northern region significantly less than the average spending in the southern region at the 1 percent level?
a) State the hypotheses and decision rule.
b) Find the test statistic assuming unequal variances.
c) State your conclusion. Is this a strong conclusion?
d) Can you suggest reasons why a difference might exist? (See The New Yorker [May 30, 2005], p. 38).
Medicare Spending per Patient (adjusted for age, sex, and race)
Statistic Northern Region Southern Region
Sample mean $3,123 $8,456
Sample standard deviation $1,546 $3,678
Sample size 14 patients 16 patients
|
Top countries that lead export and import of merchandise
: The WTO's International Trade Statistics is an annual report that provides comprehensive, comparable, and updated statistics on trade in merchandise and commercial services.
|
|
Determine the confidence interval for true mean
: Sample of 81 houses was studied and found to have the mean of 1858 KWH. Determine the 95% confidence interval for true mean.
|
|
Determine gender and amount of alcohol consumed
: Michelle is a counselor at the local crises center. She wishes to determine if there is a relationship between the gender of an individual and the amount of alcohol consumed.
|
|
Which is classified as a chemical mode of catalysis
: Specifically, what is meant by the steady-state assumption in the derivation of the Michaelis-Menton equation?
|
|
Variance in medicare spending
: Medicare spending per patient in different U.S. metropolitan areas may differ. Based on the sample data below, is the average spending in the northern region significantly less than the average spending in the southern region at the 1 percent leve..
|
|
Solve lp problem-recognize feasible region-optimal solution
: Let the following all-integer linear program: Solve LP problem and recognize the feasible region, corner point solutions, and optimal solution.
|
|
Mean weight of dole pineapple
: Scenario: Dole Pineapple, Inc., is concerned that the 16-ounce can of sliced pineapple is being overfilled. Assume the standard deviation of the process is .03 ounces.
|
|
Which phenotype is not expected
: Red- Green blindness is X-linked recessive.a woman with normal color vision has father with color blind vision.the woman has a child with a man who is normal color vision.which phenotype is not expected?
|
|
Match the phenotype
: Match the phenotype in the left column with a proposed defect in protein function from the right column that may explain each phenotype.
|