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!
Question: Regression is a technique that economists and businesspeople rely on heavily. Think about the relationship between advertising expenditures and sales. Use the data in the accompanying table, which are based on national statistics.
a. Find r
b. Write the regression equation.
c. Plot the regression line on the scatterplot.
d. Predict sales for an advertising expenditure of $10,000.
e. Explain whether any confidence at all can be put in the prediction you made.
Advertising, X Sales, Y($ thousands) ($ thousands)
3 70
4 120
3 110
5 100
6 140
5 120
4 100
Define reliability. Explain its role in quality control and improvement.- Describe the life cycle of a product. What probability distributions would you use to model each phase?
count the number of sequences of 5 as 6 bs and 7 cs in which the first a occurs somewhere before the first
1.a manufacturer receives parts from two suppliers. an srs of 400 parts from supplier 1 finds 20 defective. an srs of
What is the value of μ for the network? What is the value of σμ2 for the network? What is the probability that this network can be finished within 27 days?
What is the 95% confidence interval for the proportion of smokers in the population (to 4 decimals)?
A newspaper reports that the governor s approval rating stands at 65%. The article adds that the poll is based on a random sample of 972 adults and has a margin of error of 2.5%. What level of confidence did the pollsters use?
Find the mean and standard deviation of the number of bull s-eyes she may get.- What's the probability that she never misses?
q. a teacher gave a 25 question multiple choice test. after scoring the tests she computed a mean and standard
what is the maximum amount a decision maker would pay for additional
What will the cash flow for the year be to Mary if she issues stock and remains open 6 days a week?
Models for panel data and Regression model for longitudinal data (with emphasis on models, assumptions and application).
Normal approximation to the Binomial distribution - Evaluate the probability that at least 195 of the students are female.
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