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!
A social scientist analyzes the relationship between educational attainment and salary. For 65 individuals he collects data on each individual's educational attainment (in years) and his/her salary (in $1,000 s). He then calculates a Spearman rank correlation coefficient of 0.85.
a. Specify the competing hypotheses in order to determine whether educational attainment and salary are related.
b. Assume that the distribution of rs is approximately normal. Calculate the value of the test statistic and the p-value of the test.
c. At the 5% significance level, are educational attainment and salary related?
Find the mean time to failure.- Find the standard deviation of the time to failure.- What is the probability of the component lasting at least 1500 hours?
In six sentences or more, explain how you would use descriptive statistical procedure(s) r in your personal life. (Minimum of 200 words)
the table gives population densities for ring-necked pheasants in number of pheasants per acre on pelee island
Assume that women's heights are normally distributed with a mean given by mu equals 63.3 in, and a standard deviation given by sigma equals 3.1 in. Complete parts a and b.
She is single and has no other source of income. She has asked you for permission to take 8 weeks of paid leave. Based on federal law
Top-grade offering a new shipping option. When an order is placed, top-grade will ship one third of the order every week for three weeks instead of at one time. What is the order quantity if Omar chooses to use this option? To simplify your calcul..
Could such a low average be considered just bad luck or should he be sent back to the minor leagues? Comment on the assumption of Bernoulli trials in this situation.
Sample mean of $14.68 per hour. Assuming the population standard deviation of σ = $145, can we conclude that an increase occurred in the mean hourly earnings since 2001? Use α = .05.
The pennstate2 dataset on the companion website includes heights and the total number of ear pierces for each person in a sample of college students.
Crash Test Results The National Transportation Safety Administration conducted crash test experiments on five subcompact cars. The head injury data (in hic) recorded from crash test dummies in the driver's seat are as follows: 681, 428, 917, 898, ..
a researcher estimates the 95 ci for a sample with a mean of m 3.26 and a standard error ?m of 0.91. what is the upper
A bicycle-sharing system, as the name suggests, is a service that makes bicycles available for individuals to use on a very shortterm basis. The overall goal of these systems is to provide free or affordable access to bicycles for short-distance t..
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