Context of ordinary least squares regression

Assignment Help Basic Statistics
Reference no: EM13113551

"The output of an estimated regression equation shows the t-statistic for a given coefficient associated with an independent variable to be 1.99."

Explain the implications of this statement in the context of ordinary least squares regression? Be sure your answer includes a discussion of hypothesis testing.

Reference no: EM13113551

Questions Cloud

Description of testing hypotheses on data set : A compute manufacturer is about to unveil a new,faster PC.The new PC is faster but intial tests incidcate there is more variation in the processing time.
How to conclude tha stocks have a different variation : Mr. Smith had 11 stocks that averaged 11.3 percent with a standard deviation of 3.2 percent. At the .02 level of significance, can we conclude that Mr. Jones' stocks have a different variation?
Correlation between office space per worker and rental rate : For the sample of 32 lg us cities the correlation between the mean # of sq ft per office worker and the mean monthly rental rate in the central business district is the -.363 at the .05 significance level
What is the new gas pressure : A 12.0g sample of a gas has a volume of 5.25L at 29 degrees celcius and 764mmhg . If 2.7g of the same gas is added to this constant 5.25L volume and the temperature raised to 67 degrees celcius.
Context of ordinary least squares regression : Explain the implications of this statement in the context of ordinary least squares regression? Be sure your answer includes a discussion of hypothesis testing.
Probability that all individuals have alzheimer-s disease : Suppose an unrelated 77-year old man, 76 - year old woman, and 82- year old woman are selected from a community. What is the probability that all three of these individuals have Alzheimer's disease?
Find the critical value : Find the critical value having an area of 0.95 to its right for an F-curve with 8 numerator degrees of freedom and 15 denominator degrees of freedom.
What is the total combined mass of carbon dioxide and water : An automobile gasoline tank holds 35 kg of gasoline. When the gasoline burns, 88 kg of oxygen is consumed, and carbon dioxide and water are produced.
Alternate hypotheses and decision rule : State the null and alternate hypotheses, the decision rule, find the test statistic, state your decision, and estimate the P value for the following:

Reviews

Write a Review

Basic Statistics Questions & Answers

  Standard deviation of the filling process

CCI is unable to adjust the mean of the filling process. However, it is able to adjust the standard deviation of the filling process.

  One tailed and two tailed alternative

For each of the following hypotheses, decide whether a one-tailed or two-tailed test would be performed: Children with birth defects will score differently than the normal population on a measure of self-esteem.

  Determining the variance of firm-s profit

Determine the variance of firm's profit for the month.

  Academic response to conditional probability

A survey of undergraduate students in the School of Business at Northern University revealed  the following regarding the gender and majors of the students:

  Probability of diameter

Sun Love grapefruit growers have determined that the diameters of their grapefruits are normally distributed with a mean of 4.5 inches and a standard deviation of 0.3 inches.

  Mad-mse and mape for forecasting

Calculate (a) MAD, (b) MSE, and (c) MAPE for the following forecast versus actual sales figures.

  Determine the regression line equation

A psychologist wants to determine if there is a linear relationship between the number of hours a person goes without sleep and the number of mistakes he/she makes on a simple test. The following data is recorded. Determine the regression line equ..

  Data analysis-idependent and dependent variables

A researcher looks at the effect of 3 different drugs on 3 different groups of 10 people. Numbers refer to stress levels, with lower numbers being lower stress.

  Probability values of data

A certain airplane has two independent alternators to provide electrical power.

  Normal distribution of blood protoplasm

Porphyrin is a pigment in blood protoplasm and other body fluids that is significant in body energy and storage. Let x be a random variable that represents the number of milligrams of porphyrin per deciliter of blood.

  Hypothesis testing of mean-proportion-p-value method

The average U.S. family includes 3.13 persons. To determine whether families in her city tend to be smaller in size compared to those across the United States, a city council member selects a simple random sample of 25 families.

  Simple linear regression and multiple regression model

Identify the independent and dependent variables. Perform a regression analysis on the data.

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