Would intercept seem to have meaning in regression

Assignment Help Basic Statistics
Reference no: EM13155470

Observations are taken on sales of a certain mountain bike in 30 sporting goods stores. The regression model was Y = total sales (thousands of dollars), X1 = display floor space (square meters), X2 = competitors' advertising expenditures (thousands of dollars), X3 = advertised price(dollars per unit).

(a) Write the fitted regression equation.
(b) Interpret each coefficient.
(c) Would the intercept seem to have meaning in this regression?
(d) Make a prediction for Sales when FloorSpace = 80, CompetingAds = 100, and Price = 1,200.

Reference no: EM13155470

Questions Cloud

Depreciation difference and warranty expense : Neer's income statement also included $225,000 accrued warranty expense that will be deducted for tax purposes when paid. Neer's enacted tax rates are 30% for 2007 and 2008, and 24% for 2009 and 2010. The depreciation difference and warranty expen..
Average cost of making a movie : During a recent year the average cost of making a movie was $54.8 million. This year, a random sample of 15 recent action movies had an average production cost of $62.3 million with a variance of $ 8 million.
What is the most probable mode of inheritance : P.T.C. Taster: to some people, the chemical, phenylthiocarbamide, has a strong bitter taste. However there are other individuals who are unable to perceive such a taste sensation.
Draw a histogram showing the 20 sample means : Draw a histogram showing the 20 sample means. (Use classes -0.5 to 0.5, 0.5 to 1.5, 1.5 to 2.5 and so on). Describe the distribution of the x-bars that you see in part b (shape of distribution, center, and the amount of dispersion).
Would intercept seem to have meaning in regression : Observations are taken on sales of a certain mountain bike in 30 sporting goods stores. The regression model was Y = total sales (thousands of dollars). Would the intercept seem to have meaning in this regression?
Explain the reason for heightened racism : Explain the reason for heightened racism and declining abolitionist sentiment in the 1790s and early 1800s. I would like to talk about the amount of slaves and how racism suppressed them, the measures by the government to incite racism, and declining..
Can the average(mean) salary in the population : Complete the problems below and submit your work in an Excel document. Be sure to show all of your work and clearly label all calculations. All statistical calculations will use the Employee Salary Data Set.
Draw a cvp chart for the company : The company's annual fixed costs are $1,125,000. (1) Use this info to compute the company's (a) contribution margin, (b)contribution margin ratio, (c)break-even point in units, and (d) break even point in dollars of sales. (2) Draw a CVP chart for..
Higher earnings per share of common stock : Prepare an analysis and determine which plan will result in the higher earnings per share of common stock. Recommend one plan to the board. Give reason

Reviews

Write a Review

Basic Statistics Questions & Answers

  Estimate population mean of length of carrots using gro-haut

What would be the minimum sample needed to estimate the population mean of the length of carrots using Gro-Haut to within 1.5 cm with 99% confidence?

  Normally distributed with a mean of thermometer

Thermometers are normally distributed with a mean of O Celsius and a standard deviation of 1. OO Celsius, Find the probability that a randomly selected thermometer reads between - 2.23 and - 1.25 and draw a sketch of the region. The probability is..

  Confidence interval to estimate the average number of days

Using these data, construct a 99% confidence interval to estimate the average number of days and excavator is rented to a client, and assume the number of days per rental is normally distributed in the population.

  Problem based on coin biased toward heads

A coin was flipped 60 times and came up heads 38 times. (a) At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations. (b) Calculate a p-value and interpret it.

  Random probability-survey of balding middle-aged men

A survey of middle-aged men reveals that 28% of them are balding at the crown of their heads. Moreover, it is known that 18% of all middle-aged men who have this balding pattern will suffer a heart attack in the next 10 years.

  Casino game probability

Think of your favorite casino game (craps, black-jack, roulette, etc) and analyze the probabilities of a few different outcomes.

  Correlated groups t-test

A researcher testing the affects of music on studying conducts a within participants design. The results are as follows: music 6,7,6,5,6,8,8, and no music 10,7,8,7,7,9,8

  Is the speed of solving the problem different for people

Is the speed of solving the problem different for people who get such instructions compared to the speed for people who are given no special instructions?

  Find the probability that fewer than five were female

Before 1918, in a random sample of 11 wolves spotted in the region, what is the probability that 8 or more were male?

  Critical value for hypothesis testing

The mean life of a battery used in a digital clock is 305 days. The lives of the battery follow normal distribution. The battery was recently modified to last longer. A sample of 20 of the modified batteries had a mean life of 311 days with a stan..

  Question-z test for population proportion

What is the probability of getting seven heads in a sample of twenty coin flips? Is this significantly different from the population in which P = 0.50 if the alpha is 0.05?

  Changes in each of the variables

Over the past 30 years in the United States, there has been a strong negative correlation between the number of infant deaths at birth and the number of people over age 65. What lurking variables might be causing the changes in each of the variabl..

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