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) Which of the given does the term observed frequency refer to?
a) The frequencies computed from the null hypothesis b) The frequencies found in sample data c) The frequencies found in the population being examined d) The frequencies that are hypothesized for the population being examined
Q2) Determine the shape of chi-square distribution?
a) Positively skewed with all values greater than or equal to zero b) negatively skewed with all values greater than or equal to zero c) symmetrical with a mean equal to n - 1 d) symmetrical with a mean of zero
Q3) A chi-square test for goodness of fit is utilized to test whether or not there are any preferences among 3 brands of cola. If study uses a sample of n = 60 subjects, then expected frequency for each category would be?
Q4) T/F: One advantage of chi-square tests is that they can be utilized when data are measured on a nominal scale.
a) True
b) False
Using α = .05 test for significance differences among the population mean wasted time for theses three urban areas. What is the p-value? What is your conclusion?
Mention the critical value of test statistic (Or give the p-value of the test.)
Find out the Expected value of the perfect information for the given problem. Given the subsiquent cost tree, illustrate what is the expected outcome.
To find out whether two categorical variables are independent, one should use the.
What is the probability that the mean weight for a sample of 40 trout exceeds 405.5 grams?
From a previous study, the standard deviation of the ages is known to be 3 years.
Find the relative risk for moderate beer drinkers as compared to nondrinkers, finds the 95% confidence interval
The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Describe your re..
Calculate a 95% confidence interval for the mean endowment of all the private colleges in the United States assuming a normal distribution for the endowments.
The ANOVA summary table below is the result of a regression of sales on year of sales. Is the relationship statistically significant at .05? Comment.
Determine the probability the transmission will break down between 100,000 and 200,000 miles?
Evaluate your histograms for any outliers in your data. Based on your evaluation of outliers, you may trim no more than 1% of the data contained in the data set. This must be done symmetrically (i.e., trimming no more than 0.5% off the top and 0.5..
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