Medicare would like to test the hypothesis that the average monthly rate for one-bedroom assisted-living facility is equal to $3,300. A random sample of 12 assisted-living facilities had an average rate of $3,690 per month. The standard deviation for this sample was $530. Medicare would like to set α = 0.02. The critical value for this hypothesis test would be

Q: (b) Find the critical value(s) and identify the rejection region(s). The critical value(s) is/are

A: (a) Let μ1 denotes the population mean repair cost of Model A washing machines, and μ2 denotes the…

Q: (b) Find the cntical value(s) and identity the rejection region(s). The critical value(s) is/are.…

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPART PLZ REPOST FOR REMAINING PARTS

Q: Based on data from the 2000 Census the average age of a Baldwin County, Alabama resident is 39 years…

A: We have given that  Population mean =39 Population standard deviation =22.6

Q: fou want to buy a washing machine, and a salesperson tells you that the mean repair costs for Model…

A: Solution: Given information: n1=20 Sample size of model An2=21 Sample size of model Bx1=$211 Sample…

Q: A nationwide survey showed that the average selling price for bookbags is $35 with a standard…

A: The mean is 35 and the standard deviation is 5.

Q: You want to buy a washing machine, and a salesperson tells you that the mean repair costs for Model…

A: Given, n1 = 20          n2=21x1=211          x2=222σ12=20            σ22=25 Level of significance =…

Q: Does where you live affect your insurance rate? The mean auto insurance rate for 29 drivers in a…

A: Level of significance ɑ=0.025,  df=n1+n2-2

Q: The head of institutional research at a university believed that the mean age of full-time students…

A: The random variable age follows normal distribution. The population mean is 27.4 years. We have to…

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: According to a theory in psychology, young female adults show more emotional empathy toward others…

A: Note : As per the Bartleby guildlines we have to solve first three subparts and rest can be…

Q: mean of 100 with a standard deviation of 15. A researcher thinks that a diet high in raw cornstarch…

A: Given Population Mean= μ=100 Population Standard deviation= σ=15 sample mean = x =140 sample size=…

Q: A nation has a mean household income in 2004 of $43,700 with a standard deviation of $5,110. A…

A: H0:μ=43700H1:μ<43700                   (Hint from the question)

Q: The minimum price is $ and the maximum price is $

A: here A small publisher wishes to publish self-improvement books. After a survey of the market, the…

Q: Many psychologists are concerned that the average level of anxiety in children has increased over…

A: That is, there is no evidence to conclude that there is significant change in the average level of…

Q: I'm not sure what t-value is in order so solve for it.

A: The t-distribution is used, because the population standard deviation is unknown and the sample…

Q: You want to buy a washing​ machine, and a salesperson tells you that the mean repair costs for Model…

A: We have given that  Sample sizes n1= 207 , n2= 213 Sample means xbar1= 28  , xbar2 =24 Population…

Q: According to a theory in psychology, young female adults show more emotional empathy toward others…

A:

Q: The average starting salary of students who graduated from colleges of Business in 2009 was $48,400.…

A: To determine whether or not there has been a significant increase in the starting salaries $48,400.…

Q: A large super market chain is doing market research in the City of Long Beach to determine whether…

A: Hypothesis test are used to measure the mean significance between the sample and population. If the…

Q: Does the average Presbyterian donate less than the average Catholic in church on Sundays? The 51…

A: Given that    Sample sizes n1=51      , n2=54      Sample means X̄1=27      , X̄2=33        s1 =5…

Q: n automobile manufacturer claims that their van has a 51.4 miles/gallon (MPG) rating. An independent…

A:

Q: The average starting salary of students who graduated from colleges of Business in 2009 was $48,400.…

A: Given : Sample size (n) = 100 Sample mean (X¯) = $50000 Population standard deviation (σ) = $8000

Q: Many psychologists are concerned that the average level of anxiety in children has increased over…

A: The population mean of the year 1980's is The sample mean of the year 2021's is The sample standard…

Q: A random sample of monthly gasoline prices was taken from 2005 and from 2011. For 2005, it shows…

A:

Q: g) What are your conclusions in the context of the problem? Relate your conclusions to the test…

A:

Q: in a test of a lifelong brand of tires , a survey revealed that the mean life was 35,000 mikes and…

A: Let the random variable X be the life of tires.  The random variable X follows Normal distribution…