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 company has been using the same advertising strategy for a number of years and over that time has had relatively constant monthly sales. The mean of these sales is £1.3m. 12 months ago it changed its strategy and over these 12 months the monthly sales have been £1.45m with a standard deviation of £0.3m. It now wants to test whether there is evidence that this new advertising strategy is more successful than its previous strategy.
a) Construct a suitable hypothesis test for this investigation.
b) Test whether you would reject the null hypothesis at the 0.05 significance level and comment on your result.
Please do not use excel functions - I would like to see clear workings and commentary for calculations
Develop a probability distribution for the number of students in the sample who watch soap operas.
Conduct the hypothesis test and provide the test statistic, critical value and/or P- value and state the conclusion.
Estimate the population in 1600 and graph the population trend from 1600 through to 2000
The level of satisfaction in a consumer survey would represent what level of measurement?
If we wanted to shorten the interval of the estimation of the true mean of Saturday sales to a width of $600 in total, what should the size of our sample be to achieve it?
The amount ($1.00, $5.00, $10.00, $25.00, or $50.00) promised to each person was determined by randomization. For each person who was sent one of the surveys, The value of the X2 test statistic for testing the hypothesis
What is the price of an extra dollar of c1 in terms of c2 and what is the equilibrium price? Output and profits of the low cost gold mine?
Perform the indicated test of hypothesis. HO: M 7, given x= 0.01, N=25, Xbar = 7.019 and SD is =.1681. Assume the sample is selected from a normally distributed population.
Determine point estimate of population mean? By using 90% confidence, determine the margin of error?
Assume you choose 20 houses at random. On average, how many houses of twenty would you expect to have DVD? Determine standard deviation of number of houses with DVD?
A manufacturer has a maximum of 240, 360, and 180 kilograms of wood, plastic and steel available. The company produces two products, A and B. Each unit of A requires 1, 3 and 2 kilograms of wood, plastic and steel respectively;
Compute the relative dispersion of each group using the coefficient of variation. Comment on the difference in relative dispersion.
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