Find the covariance and coefficient of correlation

Assignment Help Basic Statistics
Reference no: EM132853001

A company collects the following sample data indicating the price and volume of sales of widgets.

Price: $6 $8 $10 Sales: 18 17 16

a) Find the covariance and coefficient of correlation.

b) Find the slope, y-intercept and least squares line. If Price is $20, what would the expected sales be?

Reference no: EM132853001

Questions Cloud

Find probability that first car or second car is defective : There are 20 cars on the production line, where 7 are defective. Two cars are selected. Find the probability that first car or second car is defective
Assess the strengths and weaknesses of natural law : Discuss the core aspects that comprise virtue ethics. Also, analyze one primary strength and one principal weakness of this ethical theory.
Create one side-by-side boxplot of the two sets of marks : Create one side-by-side boxplot of the two sets of marks (i.e. both boxplots on the same axes). The axes for the boxplot should have appropriate labels
Calculate net income of the partnership : For the year ended 30 June 2020, you are required to: Calculate section 90 net income of the partnership. Make partnership distribution statement
Find the covariance and coefficient of correlation : A company collects the following sample data indicating the price and volume of sales of widgets.
What is the importance of failure when becoming a leader : What are the leadership traits and styles to be an entrepreneur? How would you overcome challenges in dealing with your own business as a leader?
Find out the evidence of a significant media effect : A fast - food chain wishes to determine whether there are any differences in three media (magazine, TV, radio) in terms of consumer recall of an ad
Find high percentage of people with college degrees : Why do you think homesourcing jobs attract such a high percentage of people with college degrees?
Confidence interval to estimate the population mean : Suppose the following data are selected randomly from a population of normally distributed values.

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!

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