Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A statewide real estate agency, Old Colony, specializes in residential home sales in nothern PA. Records indicate the mean selling time of homes in 90 days. Because of recent water concerns, the agency beleives that the mean selling time may have increased. A regional survey of 100 homes sold recently revealed that the mean selling time was 94 days with a standard of 22 days. At a .1 signifigance level, can we conclude that the mean selling time has increased?
a local health care company wants to estimate the mean weekly elder day care cost. a sample of 10 facilities shows a
Use the sample data to construct a 95% confidence interval estimate of the difference between the two rates of lost baggage. Does there appear to be a difference?
Are there any formulas or graphs for Correlational statistical procedures and Quantative research methods? I'm writing a paper and would like to throw in a few examples with explanation.
an advertising company is interested in determining if there is a difference in the mean sales that will be generated
After the presidential debates, a random sample of 1200 voters showed that 540 favored the Democratic candidate; 480 were in favor of the Republican candidate; 40 were in favor of the Independent candidate, and 140 were undecided. At a 1% level of..
Twelve case of leukemia are reported in people living in a particular census tract over a five year period. Is this number of cases abnormal if only 6.7 cases would be expected based on national cance-incidence rates?
A study was conducted to determine whether magnets were effective in treating pain. The valves represent pain measurements.
Does the data prove a significant difference in mean times?
A recent survey of 50 executives who were laid off durning a recent recession revealed it took a mean of 26 weeks for them to find another position. The standard deviation of the sample was 6.2 weeks. Construct a 95 percent confidence interval for..
The length of pregnancies are normally distributed with a mean of 268 days and standard deviation of 15 days. How many days do 80 percent of women last until in their birthing process?
A random sample of n=9 men between 30-39 years old is asked to do as many sit ups as they can in one minute. The mean number is x=26.2 and the standard deviation is s=6. Find a 95% confidence interval for the population mean.
A curious parent observes a cereal commercial that states their product has an average of 50 pieces of real fruit per box with a standard deviation of 6 pieces per box. She decides to check the accuracy of this statement by selecting 100 boxes of cer..
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd