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!
Consider the relationship between yearly wine consumption (litres of alcohol from drinking wine per person) and yearly deaths from heart disease (deaths per 100,000 people) in 19 developed countries. Suppose that you read a newspaper article in which the reporter states the following:
'Researchers find that the correlation between yearly wine consumption and yearly deaths from heart disease is -0.84. Thus, it is reasonable to conclude that increased consumption of alcohol from wine causes fewer deaths from heart disease in industrialised societies.'
Is the reporter's interpretation of the correlation measure in this case in a correct approach? Why?
At 95% confidence using the critical value approach, determine if the proportion of females in the company is significantly less than 50%.
A multiple regression equation for list price of homes in certain community in USA is=170,000 -850 X 1 + 28,000 X 2 , where X 1 signifies age in years and X 2 signifies number of rooms.
A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 175 and a standard deviation of 15. If an applicant is randomly selected, find the probability of a rating that is between 150 and 200.
Estimate and interpret the p-value of the calculated test statistic above.
Be sure to include information about how you would use the concept of probabilities to apply to profiles for hiring more satisfied individuals.
Employees of a local university have been classified according to gender and job type. The following table provides data about the employees.
One of the major measures of the quality of service provided by any organization is the speed with which responds to customer complaints. A large family-held department store selling furniture and flooring, including carpet, had undergone a major ..
If the computed value for this problem is +2.33, and the level of significance is 0.05, can we conclude that the recall proportions for the two commercials are same?
You are running a chi-squared test. You have 2 groups with 3 characteristics each, what would your critical value be with an alpha of .025?
Probability using discrete distribution.The probability distribution for the random variable x follows.
The NY Dept of Motor Vehicles (DMV) designs its license plates with space for 7 letters or numerals. In the most recent iteration, the DMV uses three letters followed by 4 numbers.
A previously used drug treatment has a mean remission time of 12.5 weeks. Does the data indicate that the mean remission time using the new drug is different from 12.5 week at a level of significance of 0.01?
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