Standard null hypothesis for the coefficient of bore

Reference no: EM131008170

Motorcycles, part 2. In Exercise 41, we saw data on off- road motorcycles and examined scatterplots. Review those scatterplots. Here's a regression of MSRP on both Displacement and Bore. Both of the predictors are measures of the size of the engine. The displacement is the total vol- ume of air and fuel mixture that an engine can draw in dur- ing one cycle. The bore is the diameter of the cylinders.

Dependent variable is: MSRP

R squared = 77.0% R squared (adjusted) = 76.5% s = 979.8 with 98 - 3 = 95 degrees of freedom

Variable Coeff SE(Coeff) t-ratio P-value

Intercept 318.352 1002 0.318 0.7515

Bore 41.1650 25.37 1.62 0.1080

Displacement 6.57069 3.232 2.03 0.0449

a) State and test the standard null hypothesis for the coefficient of Bore.

b) Both of these predictors seem to be linearly related to MSRP. Explain what your result in part a means.

Reference no: EM131008170

Questions Cloud

Find an image of a pie chart : Find an image of a Pie Chart or Pie Graph and post this image to the discussion board. Discuss what this graph is telling us about the data

Regression predicting calories for burger king foods : Burger King nutrition. Like many fast-food restaurant chains, Burger King (BK) provides data on the nutrition content of its menu items on its website. Here's a multiple regression predicting calories for Burger King foods from Protein content (g)..

Regression model for life expectancy : Demographics. Following is a data set on various measures of the 50 United States. The Murder rate is per 100,000, HS Graduation rate is in %, Income is per capita income in dollars, Illiteracy rate is per 1000, and Life Expectancy is in years. Fi..

Why should each player two trials be on different days : Describe the design of such an experiment to investigate the effect of inhaling oxygen during the rest period. Why should each player's two trials be on different days? Use Table B at line 140 to decide which players will get oxygen on their ?rst ..

Standard null hypothesis for the coefficient of bore : State and test the standard null hypothesis for the coefficient of Bore. Both of these predictors seem to be linearly related to MSRP. Explain what your result in part a means.

Does adding the ?ve-digit postal zip code to an address : Does adding the ?ve-digit postal zip code to an address really speed up delivery of letters? Does adding the four more digits that make up "zip + 4".

Price of beef related to other factors : 1. Price of beef. How is the price of beef related to other factors? The data in the following table give information on the price of beef (PBE) and the possible explanatory variables: consumption of beef per capita (CBE), retail food price index (..

Does the herb saint-john-wort relieve major depression : Saint-John's-wort and depression. Does the herb Saint-John's-wort relieve major depression? Here are some excerpts from the report of a study of this issue.24 The study concluded that the herb is no more effective than a placebo. "Design: Randomiz..

Compute and plot the response of given system : Compute and plot the response of the following system using integration: 10x(t) + 20x(t) + 1500x(t) = 20 sin25t + 10 sin 15t + 20 sin2t

User Account

All Pages