User Account

All Pages

Compute the sample covariance

Assignment Help Basic Statistics
Reference no: EM132372737

The following is a set of data from a sample of n=11 items. Complete parts? (a) through left parenthesis (c).

X           48         42         36         6           57         21         24         54             39         45         9

Y           16         14         12         2           19         7           8           18             13         15         3

a. Compute the sample covariance. ?(Round to three decimal places as? needed.)

b. Compute the coefficient of correlation. (Do not round until the final answer. Then round to three decimal places as? needed.)

c. How strong is the relationship between X and? Y? Explain.

A. X and Y have no correlation.

B. X and Y have a strong positive correlation because as X? increases, Y tends to increase also.

C. X and Y have a perfect negative correlation because all points fall on a straight line with a negative slope.

D. X and Y have a perfect positive correlation because all points fall on a straight line with a positive slope.

Reference no: EM132372737

Questions Cloud

Discuss the technical skills required to have CSIRT response : Discuss the technical skills required to have a CSIRT response team consisting of employees with other job duties
How do regulations impact your daily lives : How do regulations impact your daily lives and what controls do you see that enable their effectiveness.
Final project topic from web application security : Submit your final project topic from web application security (your choose) here. Submit a brief abstract describing of final project.
Five network penetration testing techniques : Five network penetration testing techniques, Advantages and disadvantages of each, One notable social engineering test.
Compute the sample covariance : Compute the sample covariance. Compute the coefficient of correlation.
Organizational needs according to the business startup idea : Did you feel confident in critically assessing the organizational needs according to the business startup idea
Data table shows the yields for a money market? account : The data table shows the yields for a money market? account, a? one-year certificate of deposit? (CD), and a? five-year CD for 13 banks.
Compute the sample covariance : College football players trying out for the NFL are given a standardized intelligence test. The data below contains the average score on this exam
Michael porter five competitive forces model : There are numerous case studies on Michael Porter's Five Competitive Forces Model.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

Free Assignment Quote

Assured A++ Grade

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd