User Account

All Pages

Write the equation of the least squares line

Assignment Help Basic Statistics
Reference no: EM132090354

In a random sample of eight military contracts involving cost overruns, the following information was obtained. x = bid price of the contract (in millions of dollars) and y = cost of overrun (expressed as a percent of the bid price).

X 6 40 3 5 9 18 16 21

Y 31 25 39 35 29 12 17 8

a. Find the slope, b, and the intercept, a, for the least squares line. Write the equation of the least squares line.

b. Find , the correlation coefficient, r.

c. If an overrun contract was bid at 12 million dollars, what does the least squares line predict for the cost overrun (as a percent of bid price)?

Reference no: EM132090354

Questions Cloud

What is the probability that less than three of the chosen : If a buyer chose 5 CDs randomly from the box without replacement, what is the probability that less than three of the chosen CDs were country music?
What form of business organization appears most desirable : What are the pros and cons of each as they apply to Dan and Carla's business goals? If Dan and Carla were operating in your state, what form of business
Research question that may be tested with regression : Assuming that self-esteem is the predictor variable and grades are the outcome variable, provide an example of a research question that may be tested
Emotional intelligence enhance the work environment : How does emotional intelligence enhance the work environment?
Write the equation of the least squares line : Find the slope, b, and the intercept, a, for the least squares line. Write the equation of the least squares line.
Identify one factor that might make this sample biased : A statistics instructor collects eye color data from her students. Identify one factor that might make this sample biased.
Decide how to spend the money : You are the manager of a billing department and have a staff of 25 employees. Using the decision-making process, decide how to spend the money.
What agency law issues does this scenario raise : What agency law issues does this scenario raise? How should the courts decide these disputes? Why? How could all of this have been handled to prevent some
Job analysis is the process of gathering : Job analysis is the process of gathering and organizing detailed information about various jobs

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: +91-977-207-8620

Phone: +91-977-207-8620

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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