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!
Q1) i) You want to examine regional differences (IV) in household savings (DV measured in dollars.) You arbitrarily choose samples of households in West, South, and East.
ii) You wish to compare differences in sales dollars (DV) for 43 employees before and after they have attended motivational seminar.
iii) A sample of people is asked their height, and then measurement of their actual height is taken. Your null hypothesis is that self-reported and actual heights (DV is height measured in inches) do not vary.
iv) You want to test null hypothesis that gender (IV) makes no difference in buying one of four makes of cars (DV= Honda, Toyota, Lexus, Acura). Which statistical test would you conduct?
v) Re item 4, assume the critical value for this test is 4.92, and you obtain a computed statistical value of 7.45. Is there evidence to refuse null hypothesis? Describe why or why not?
How many ways can she choose 4 dissimilar rides if order does not matter? If she has chosen the first weeks rides, how many ways can she choose four more different rides for second week? Suppose that order does not matter.
Using the confidence interval when conducting a two-tail test for the population mean we do not reject the null hypothesis if the hypothesized value for:
Recognize independent variable and dependent variable for this experiment. Think in your head what influences what? Or, what causes what? Cause is independent variable.
The width of a confidence interval will be:
To find out the probability that the age of a randomly selected CEO. The average age of CEOs is 56 years. Suppose the variable is normally distributed.
A test on zoology is to be given next week. Suppose 75 percent of the students study for the test and 25 percent do not. If a student studies for the exam, the probability that he or she will pass is 0.90. If the student does not study, the pro..
Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.
Construct an appropriate control chart and comment on the process.
Consider the experiment of rolling a pair of dice. Suppose that we are interested in the sum of the face values showing on the dice.
To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments. You are given the results below.
IS there any evidence that a freshman's chances to graduate may depend upon what kind of high school the student attended? Describe.
The Kruskal-Wallis rank test is a nonparametric replacement - The Wilcoxon rank sum test tests a null hypothesis
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