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: An analyst working at BC Statistics is compiling a report on the use of the internet at home. In 1997, 250 randomly selected people were asked about the average amount of time spent on the internet per week. The same 250 people were re-surveyed in June 2000. Which test should the analyst to determine whether the home use of the internet has increased significantly between 1997 and 2000?
a. two sample t-test with directional hypotheses
b. paired t-test with non-directional hypotheses
c. paired t-test with directional hypotheses
d. two sample Kolmogorov-Smirnov Goodness of Fit test.
Could you provide me with the correct answer and also briefly explain why it is the correct answer? I am having some trouble understanding this material.
Additionally, student should use graphing function to graph data and calculate regression equation.
A random group of students was selected from a large student conference to analyze their class in school. Is there evidence to reject the hypothesis that the number of students is equally distributed between the four classes, at alpha = .05?
Calculate a 3-period moving average for period 7. Compute the MAD of the forecast.
The sample mean is 2.59 and the sample standard deviation is .66. Conduct the following test using 95% level of confidence.
If the population mean was $1047 in the previous year, does the evidence suggest that expenditure this year has significantly changed?
You wish to do a community needs assessment survey of a community to find out how much office space is needed by professionals in the community.
Determine the probability that the project will be completed in 90 days or less.
Construct a 95 percent confidence interval for the population mean. Is it reasonable that the population mean is 28 weeks? Justify your answer.
North Carolina State University looked at the factors that affect the success of students in a required chemical engineering course. Students must get a C or better in the course in order to continue as chemical engineering majors.
You're given that the forecast for the current period of 70 turned out to be 6 units less than the actual demand. The forecast for the next period is 75.8.
Consider that measurement 2 (M2) in random sample of 1000 controls from the Disease Y study population follows the normal distribution.
Your regional manager is impressed with how you've employed spreadsheets to aid your small company in saving time and more accurately figuring out payroll amounts.
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