Developing a linear regression model using the given data

Assignment Help Basic Statistics
Reference no: EM1319873

Carpet City wants to develop a means to forecast its carpet sales. The store manager believes to the store's sales are directly related to the number of new housing starts in town. The manager gathered data from county records on monthly house construction permits and from store record on monthly sales. These data are as follows:

Monthly Carpet

Monthly Construction

Sales (1,000 yd.)

Permits

5

21

10

35

4

10

3

12

8

16

2

9

12

41

11

15

9

18

14

26

Develop a linear regression model for these data and forecast carpet sales if 30 construction permits for new homes are filed.

Reference no: EM1319873

Questions Cloud

Graphical display relationship between variable-scatter plot : Below are revenue and profit (both in $ billions) for nine large entertainment companies.
Calculate the mean and variance of profit : Calculate the mean and variance of profit where the mean and variance for the number of units produced are 500 & 900 respectively.
Least square regression and coefficient of determination : Below are revenue and profit (both in $ billions) for nine large entertainment companies.
Calculating the probability values : Calculating the probability values
Developing a linear regression model using the given data : Develop a linear regression model for these data and forecast carpet sales if 30 construction permits for new homes are filed.
Normal distribution with mean and variance : Normal distribution with mean and variance
Determining the strength of given data using correlation : Determine the strength of the causal relationship between monthly sales and new home construction by using correlation.
Find the mean and variance of theses draws : Find the mean and variance of theses draws
Probability using poisson distribution : The probability that more than 6 planes arrive in the next minute is _____.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Construct a histogram and a frequency polygon

Using the data file below, construct a histogram and a frequency polygon. Describe the shape of this distribution.

  Simple random sampling technique

When the names of all the students at Omega University were dropped to a fishbowl, they would include:

  Relationship among variables is sufficient to warrant

Describe the data appear the strength of the relationship among variables is sufficient to warrant using linear regression forecasting.

  Measures of variation and measures of center for given data

Following sample data shows the weekly closing price of ABC stock.  Compute the sample mean and variance from this data set.

  Critical f value

Find the critical F value for the Following,

  Determining z-score corresponding to a score

In certain normal distribution of scores, mean is 50 and standard deviation is 4. Determine z-score corresponding to a score of 55.

  Confidence interval using proportion testing

Assume if the students toss the coin 200 times each about 68% should have proportions among what two numbers.

  Defining null hypothesis for college-level training

Extra college-level training, and rest of the sailors arn't accounted for. How does your sample compare to what you expected to determine? Define null hypothesis.

  Mean-median and standard deviation

Write a brief summary of the distribution of the area of homes.

  Calculate chi-square is less than the critical value

Testout the significance of the sample correlation also develop regression equation with scatter plot. Calculate chi-square is less than the critical value

  Sampling error and simple random sampling

When a sample mean is greater than the true, population mean, the resulting difference is called:

  Meaning of z test

He randomly samples 45 oil wells throughout the United States and determines the mean output to be 10.7 barrels per day with a standard deviation of 1.3 barrels. Test the researcher's claim at the .025 level of significance.

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