Calculate the correlation between the two variables

Assignment Help Basic Statistics
Reference no: EM13578380

Problem One:

The manager of a catering company is using the number of people in the party to predict the cost of the drinks that are required for the event. The following are the data for 12 recently catered events:

Event

Number of People

Cost of Drinks

1

12

24

2

14

30

3

15

36

4

18

38

5

20

65

6

16

44

7

14

36

8

13

30

9

18

39

10

19

76

11

20

80

12

22

85

Complete the calculations below using this data. Show all of your work and clearly label each of your calculations.

  • Provide a scatterplot
  • Calculate a linear regression
  • Calculate the residuals
  • Calculate the correlation between the two variables
  • Calculate the mean, median, and standard deviation of the number of people and cost of drinks

Problem Two:

You are a real estate agent and you are trying to predict home prices for your clients that want to list their house for sale. You have a very small city without much data. You will need to use the data that you have available for the past year on homes that have been sold.

Bedrooms

Square Footage

Bathrooms

Price

1

1500

2

125,000

3

1800

4

148,000

5

4000

5

250,000

3

2100

3

160,000

4

2300

5

240,000

5

3800

4

245,000

2

1900

1

155,000

Complete the calculations below using this data. Show all of your work and clearly label each of your calculations.

Conduct a multiple regression analysis to predict home prices. In your analysis complete the following:

  • Calculate the multiple regression analysis and report your data.
  • Determine the list price for your client's home if it has three bedrooms, three bathrooms, and 1900 square footage. Provide your analysis and show all of your calculations.

Reference no: EM13578380

Questions Cloud

What is the equation for the regression line if n 7 x 69 : what is the equation for the regression line if n 7 ?x 69 ?y 528 ?xy 4754 and x?sup2
A die is loaded so that the number 6 comes up three times : a die is loaded so that the number 6 comes up three times as often as any other number. what is the probability of
Vaultonwheels corporation operates a fleet of armored cars : vaultonwheels corporation operates a fleet of armored cars that make scheduled pickups and deliveries for its customers
Assume that on feb 1 the state in which three rs co : three rs co. was established on jan 20 2003 to provide educational services. the services provided during the remainder
Calculate the correlation between the two variables : problem one the manager of a catering company is using the number of people in the party to predict the cost of the
What is the probability that a subscriber did not rent a : asurvey of magazine subscribers showed that 45.8 rented a car during the past 12 months for business reasons 54 rented
A consumer suspects that the machine is not filing the jars : a machine is designed to fill jars with 16 oz. of coffee. a consumer suspects that the machine is not filing the jars
How does information technology auditing differ from : how does information technology auditing differ from financial auditing? make a list at least 10 of the skills you
The 5 canon operators are paid 840 an hour each they work a : the lansing community college registrars office is considering replacing some canon copiers with faster copiers

Reviews

Write a Review

Basic Statistics Questions & Answers

  Problem based on decision tree

Problem based on decision tree - Evaluate the strategy that maximizes the manufacturer's expected net earnings.

  Description of probability calculation-z score

X has a normal distribution with a mean of 80.0 and a standard deviation of 3.5. Find the following probabilities:

  Describe a general opinion poll or survey

Describe a political poll or survey. Analyze the number of people who participated in the sample compared to the number in the population and discuss how the results of the survey can be used to tell a story or support an idea of the sponsoring comp..

  The computer anxiety rating scale cars measures an

the computer anxiety rating scale cars measures an individuals level of computer anxiety on a scale from 20 no anxiety

  Determining hypothesis tests and t-tests

In a bottling process, a manufacturer will lose money if the bottles contain either more or, less than is claimed on the label. The quality manager of a plant is interested in testing whether the mean ounces of catsup per family size bottle differ..

  Hypothesis test for two factors anova

Hypothesis test for two factors ANOVA. Describe what thses represent and, based on figure, whether there is a problem with the data r otherwise.

  Confidence interval for mean absolutely refractory period

Give a 90% confidence interval for the mean "absolutely refractory period" for all rats of this strain when subjected to the same treatment.

  Mean for a distribution

It is better to use the median rather than the mean for a distribution when:

  Submit a six page paper not including the title and

submit a six page paper not including the title and reference pages on one of the major topics listed below.

  Finding evidence using six-step critical value approach

Using six-step critical value approach, at the 0.05 level of significance, is there evidence that population mean delivery time has been increased below previous population mean value of 25 minutes?

  Illegal drug to enhance the performance

It is estimated that 2% of the athletes competing in a large tournament are users of an illegal drug to enhance performance. The test for this drug is 95% accurate. What is the probability that an athlete who tests positive is actually a user?

  Level of confidence-test the advisors

The membership for the club this year isobserved to be 14 freshman, 19 sophomores, 51 Juniors and 16Seniors. At 95% level of confidence, test the advisors belief..

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