Question

1. The Medical Rehabilitation Education Foundation reports that the average cost of rehabilitation for stroke victims...

1. The Medical Rehabilitation Education Foundation reports that the average cost of rehabilitation for stroke victims is $24,672. To see if the average cost of rehabilitation is different at a particular hospital, a researcher selects a random sample of 35 stroke victims as the hospital and finds that the average cost of their rehabilitation is $26,343. The standard deviation of the population is $3251. At  = 0.01 , can it be concluded that the average cost of stroke rehabilitation at a particular hospital is different from $24,672?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A state executive claims that the average cost of tuition at public colleges is $5700. A...
A state executive claims that the average cost of tuition at public colleges is $5700. A researcher wishes to test the claim that this cost is greater than $5700. She selects a random sample of 36 public colleges and finds the mean to be $5950.The population standard deviation is $659. Is there enough evidence to support the claim that the cost of tuition is greater than $5700 at α = 0.05 ?
A survey claims that the average cost of a hotel room in tulsa, oklahoma, is less...
A survey claims that the average cost of a hotel room in tulsa, oklahoma, is less than $49.21. ... Your question has been answered Let us know if you got a helpful answer. Rate this answer Question: A survey claims that the average cost of a hotel room in Tulsa, Oklahoma, is less than $49.21. In... See this question in the app A survey claims that the average cost of a hotel room in Tulsa, Oklahoma, is less than $49.21....
A medical resident is convinced that, on average, residents at his hospitals work for over 3...
A medical resident is convinced that, on average, residents at his hospitals work for over 3 hours more per week than residents at other hospitals. Suppose that he finds that a random sample of 30 residents at his hospital works an average of 74.3 hours per week with a standard deviation of 2.6 hours. He also surveys a random sample of 30 residents working at other hospitals and finds they worked an average of 70.1 hours per week with a...
1. The National Center for Health Statistics reports that the systolic blood pressure for males (35-44...
1. The National Center for Health Statistics reports that the systolic blood pressure for males (35-44 years of age) has a mean 128 and standard deviation 15. The medical director of a large company looks at the medical records of 105 executives in same age group and finds that the mean systolic blood pressure in this sample is 126.30. At 95% level, is this evidence that the company’s executives have a lower mean systolic blood pressure than the general population?
1.Mall security estimates that the average daily per-store theft is no more than $250, but wants...
1.Mall security estimates that the average daily per-store theft is no more than $250, but wants to determine the accuracy of this statistic. The company researcher takes a sample of 64 clerks and finds that =$252 and s = $10. a) Test at α = .05 b) Construct a 90% CIE of μ 2.A college wants to know the lower limit of a two-sided 80% confidence interval for SAT scores on the Math section (range equals 200 to 800). They...
A researcher is interested in seeing if the average income of rural families is different than...
A researcher is interested in seeing if the average income of rural families is different than that of urban families. To see if his claim is correct he randomly selects 42 families from a rural area and finds that they have an average income of $68532 with a population standard deviation of $832. He then selects 47 families from a urban area and finds that they have an average income of $67140 with a population standard deviation of $809. Perform...
1. U.S Centers for Disease Control and Prevention reports that the American adults have the average...
1. U.S Centers for Disease Control and Prevention reports that the American adults have the average of 8.6 days per month without sufficient sleep, with a standard deviation of 1.8 days. A researcher thinks the average days without sufficient sleep is not 8.6 days, and her sample of 50 households produced a mean of 9.1 days. Test her claim, using a significance level of 0.01. Show all the steps (4 steps) discussed in class.
1. The average amount of time it takes to complete a particular Sociology test is 86.5...
1. The average amount of time it takes to complete a particular Sociology test is 86.5 minutes. In a recent study of 26 individuals that took the particular Sociology test, the average amount of time to complete the Sociology test was 83.4 minutes. The sample standard deviation was 8.7 minutes. At the 0.10 level of significance, can it be concluded that the average amount of time it takes to complete the particular Sociology test is less than 86.5 minutes? Show...
An educational researcher sought to determine the average number of friends that student on a particular...
An educational researcher sought to determine the average number of friends that student on a particular college campus made during their first year of school. Questioning a random sample of 50 students completing their freshmen year, he finds a sample mean of 3 friends and a standard deviation of 1. Separately, construct a 95% confidence interval and a 99% confidence interval to estimate the mean number of friends made by the population of college students during their first year on...
Question 9 (1 point) It is reported in USA Today that the average flight cost nationwide...
Question 9 (1 point) It is reported in USA Today that the average flight cost nationwide is $595.711. You have never paid close to that amount and you want to perform a hypothesis test that the true average is actually greater than $595.711. The hypotheses for this situation are as follows: Null Hypothesis: μ ≤ 595.711, Alternative Hypothesis: μ > 595.711. A random sample of 30 flights shows an average cost of $584.559 with a standard deviation of $59.3656. What...