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!
The following are examples of variable that researchers commonly measure on surveys. Name and define the level of measurement for each.
a. Highest level of education (measured as completed some high school, completed high school, completed some university courses, etc.)
b. The color of a person\'s hair (measured as blond, brunette, redhead)
c. Personal income in a year (measured by asking participants to indicate their gross yearly income)
Additional Information
This question is a part of Statistics and it is about the variables that researchers commonly measure in surveys. Variables such as educational qualification, hair color, personal income, etc are given and their variable nature is to be given.
Word limit 90
use a z-test to test the claim about the population mean u at the given level of significance of using the given sample
The number of traffic accidents that occurs on particular stretch roas during a month follows a Poisson distribution with mean of 8.5. Find the probability of observing exactly three accidents of this stretch of road next month.
For each of the following, indicate whether the type of probability involved is an example of a priori probability, empirical probability, or subjective probability.
How many participants must be enrolled in the study? Assume that the standard deviation of total cholesterol is 18.5.
The heights of 10 sixth graders are listed in inches: {54, 62, 54, 57, 60, 61, 53, 63, 59, 56}. Find the mean, median, mode, sample variance, and range.
A business finds the average cost required to complete a project is $416 with a standard deviation of $57. A sample of 36 project cost reports was selected at random.
You then sort by random numbers in ascending order. Finally, you take the first 50 sorted employees as your sample. Does this approach constitute a statistical or a nonstatistical sample?
Determine the area under the standard normal curve that lies: (a) to the left of Z = -2.31 (b) to the right of Z = -1.47 (c) between Z = -2.31 and Z = -1.47 (d) between Z = 1.47 and Z = 2.31
the data gives the monthly sales for a cosmetic manufacturer yt and the corresponding monthly sales for the entire
Indicate which of the following responses below is correct. Discuss why it is correct or discuss why standard deviation is such a valuable statistic in so many situations.
The populations must all be normally distributed, what is meant by normally distributed?
mileage tests were conducted on a randomly sample of 100 new tires. the avg. tread wear was 50000 miles with standard
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