Compute the sample covariance

Assignment Help Basic Statistics
Reference no: EM132372775

1. The following data contains? coaches' salaries and team revenues? (in millions of? dollars) for ten college basketball teams. Use this data to complete parts? (a) through? (c).

Salary 1.9 1.3 0.9 0.7 .05 1.2 1.8 0.8 0.2 1.6

Revenue 11.5 12.5 12.0 7.1 3.8 13.1 12.6 7.7 0.9 9.1

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

b. Compute the coefficient of correlation.

c. What conclusions can you reach about the relationship between a? coach's salary and? revenue?

A. There is a slight relationship between a? coach's salary and revenue. Increases in a? coach's salary cause increases in revenue.

B. There is a moderate positive relationship between a? coach's salary and revenue. As a? coach's salary? increases, revenue tends to increase.

C. There is no relationship between a? coach's salary and revenue.

D. There is a strong positive relationship between a? coach's salary and revenue. As a? coach's salary? increases, revenue always increases.

Reference no: EM132372775

Questions Cloud

Calculate the mean and standard deviation : Calculate the mean and standard deviation of the market capitalization for this population of 20 companies.
What is the probability that the sum of the upward facing : What is the probability that the sum of the upward facing sides of both dice is equal to two?
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 : The following is a set of data from a sample of n=11 items. Complete parts? (a) through left parenthesis (c).
Compute the sample covariance : The following data contains? coaches' salaries and team revenues? (in millions of? dollars) for ten college basketball teams. Use this data to complete parts?
Gross receipts of individual movies : 1. Movie companies need to predict the gross receipts of individual movies after a movie has debuted.
What is the probability that a visit to a pcp : What is the probability that a visit to a PCP's office results in lab work or referral to a specialist?
Compute the first quartile : The data below describe the fat? content, in grams per? serving, for a sample of 20 chicken sandwiches from? fast-food chains.
Calculate and identify the critical path of project network : The goal of this discussion is to explore ways of thinking about how a project management tool like the project network can be used.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Concerned about in the current assessment

What is the APN concerned about in the current assessment above and what drug change might be appropriate?

  A simple random sample of 40 salaries of ncaa football

a simple random sample of 40 salaries of ncaa football coaches has a mean of 415953 and a standard deviation of

  Three operators using three different machines

Articles manufactured by a company are produced by three operators using three different machines.

  Suppose that a particular candidate for public office is in

suppose that a particular candidate for public office is in fact favored by 48 of all registered voters in the

  Study the order of operations

Why is it necessary to study the order of operations and the laws of operations before you start solving equations? Of the three laws, commutative, associative, and distributive, which one is most frequently used in algebra? Why?

  What is the probablity the speeding person

The radar traps at each of the locations L1 L2 L3 L4 are operated 40 30 20 and 30 of the time a person who is speeding on his way to Penn State has a probablities of 2 1 5 and 2 respectivley of passing through these locations what is the probablit..

  Regression model to test the null hypothesis

Use a simple regression model to test the null hypothesis against the alternative

  Dylan wants to determine a 80 percent confidence interval

1. pedro wants to determine a 99 percent confidence interval for the true proportion of times he rolls a 6 using a fair

  Increasing the number of departures

Delta has approached Airspace about increasing the number of departures it offers out of Atlanta. Delta is also asking for a lower fare structure to help boost its profits. Jim knows that his current fleet will not be able to meet an increased dem..

  The customers of a newspaper salesperson arrive

The customers of a newspaper salesperson arrive according to a Poisson process with rate λ = 2 per minute. Calculate the probability that at least one customer will arrive in the interval (to, to + 2], given that there has been exactly one custome..

  Probability that contains no minorities

A company that has 200 employees chooses a committee of 15 to represent . When the committee is formed, none of the 56 minority employees are selected. if the committee is chosen randomly. What is the probability that it contains no minorities.

  What questions would you ask about the data

What questions would you ask about the data? What answers would you need to justify the required comparisons?

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!

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