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) What method of data collection would you use to gather date for study of salaries of college professors at a particular college?
a) Take a census
b) Do an experiment
c) Use a simulation
d) Use sampling
Q2) After polling every 8th graduate, a major university estimated annual salary of its alumni to be $103,000. What sampling technique was used?
a) Systematic
b) Stratified
c) Cluster
d) Convenience
e) random
Q3) Assume the standard deviation is 12.4. Determine the variance?
a) 3.52
b) 12.4
c) 14.6
d) 153.76
The number of standard errors that the sample estimate (p 1 - p 2 ) of (p1 - p2) falls from its null hypothesis value of zero is called
What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?
Advertisers need to know which age groups are likely to see their ads. Purchasers of 120 copies of Cosmopolitan are shown by age group, (a) Make a bar chart and describe it. (b) Calculate expected frequencies for each class.
Describe what the researcher must do if one of the requirements is not met and give illustrations.
In optimal solution, determine minimum time needed to complete project?
Would it be reasonable to conclude that the population mean is 63 pounds?
If the population standard deviation is s = 10, is the sample sufficient to demonstrate a significant effect? Again, assume a two-tailed test with a = 0.05.
Compute the correlation among the variables. Describe perfect correlation also negative correlation. Utilize the following data to answer questions related.
Formulating null and alternative hypothesis to test the claim averaging about $5000.
If sample mean is M=44. Is this sufficient to demonstrate significant effect? Again assume a Two-tailed test with a=0.05.
To test whether there is a significant mean difference among the three.
Is there evidence to suggest a difference in the mean waiting times at the four body shops?
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