Questions LLC
Login
or
Sign Up
Ask a New Question
Regression Analysis
Page 4
Questions (476)
taking the same pairs of data for which you calculated the correlation (shown again here below), what is the slope of the
1 answer
asked by
cher
650 views
The following model is a simplified version of the multiple regression model used by Biddle and Hamermesh (1990) to study the
1 answer
asked by
ahsan
966 views
With the help of following data, determine both the regression equations
Psychology (X): Mean= 30, Standard deviation=1.6
1 answer
asked by
arti
363 views
Hi Ms. Sue
I was wondering if you could give me some advise in doing explain and unexplain variation and least-squares regression
2 answers
asked by
Mary Ann
531 views
What is the value of the Y-intercept of the least-squares regression line from this data? Round you answer to at least two
1 answer
asked by
Mary Ann
807 views
Find the explained variation for the paired data. The equation of the regression line for the paired data below is y-hat = 3x.
1 answer
asked by
bre
811 views
The data show the time intervals after an eruption (to the next eruption) of a certain geyser. Find the regression
1 answer
asked by
slomomo
685 views
1) Estimate a multiple regression equation to predict the price of houses in a given community. Employ all available explanatory
1 answer
asked by
Kim
761 views
4. A least squares regression line to predict a student’s Stat145 test score (from 0-to-100) from the number of hours studied
1 answer
asked by
Tracy
812 views
The data show the time intervals is after
an eruption(to the next eruption) of a certain geyser. Find the regression equation,
3 answers
asked by
anonymous
780 views
To make meaningful causal inferences when conducting quantitative analyses, one must employ...?
A. Dummy coding when using
2 answers
asked by
Stacie
837 views
Explain the meaning and use of:
i) Partial regression coefficients ii) Partial correlation iii) Standardized/Beta coefficients.
1 answer
asked by
Star
91 views
4. Explain the meaning and use of:
i) Partial regression coefficients ii) Partial correlation iii) Standardized/Beta
1 answer
asked by
Ray
72 views
Hello I have this econometrics question that I have to solve without computer.
(True model) yi = B0 + B1x1i + B2x2i + B3x3i + ui
1 answer
asked by
Pitch
370 views
I don't have a graphing calc so I need help with this one. A batter hits a fly ball. A scout in the stands makes the following
2 answers
asked by
Taylor95
780 views
Consider the exam data below.
Algebra score: 20 35 13 29 40 23 Calculus score: 41 69 34 72 86 58 Use your calculator to find the
1 answer
asked by
Rachel
761 views
1. In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day and their stress
1 answer
asked by
Dee
634 views
Does the regression line equation change if you change the independent and dependent variable
3 answers
asked by
Anonymous
375 views
Can someone check my code and tell me what I am doing wrong? My regressions are not changing so i think my code must be wrong.
da
1 answer
asked by
Robocop
320 views
The scatter diagram of the lengths and widths of the petals of a type of flower is football shaped; the correlation is 0.8. The
1 answer
asked by
Judy
342 views
below is the sales experience(in months) and the number of computers sold the the previous month of seven sales people.
Experienc
2 answers
asked by
Bonnie
831 views
The question states:
Plot the regression line from D = 40 to D = 300. My question: Do you extend the line beyond those 2 points
2 answers
asked by
Sejul
504 views
How do you find the best and simplest model given a table of data? I know how to find a specific regression (linear, cubic
1 answer
asked by
Sarah
363 views
1. What does a stepwise regression analysis do?
2. What tests are used for longitudinal studies with 1 or more dependent
1 answer
asked by
Anonymous
350 views
the data given below has y = 3x-5 for its regression equation. find the standard error of estimate
2 answers
asked by
reta
524 views
You have been hired by a local used car dealer to help in their pricing of used cars. (Hey, it’s temporary thing, just to help
2 answers
asked by
Rey
522 views
The growth of a $40 000 investment is shown in the table.
Time (years) Value ($) 0 40 000 1 42 600 2 45 369 3 48 318 4 51 459 5
1 answer
asked by
alejandro
400 views
The following data represent the number of flash drives sold per day at a local computer shop and their prices.
Price (x) Units
3 answers
asked by
Ruth
1,817 views
do you do time series regression?
1 answer
asked by
Angela
366 views
A study was conducted to identify the predictors for symptomatic distress in EMS workers. Five predictor variables were used in
1 answer
asked by
jamal
1,034 views
A linear trend equation for sale of the form Qt = a + bt was estimated for the period 1993-2007 (i.e. t=1993, 1994, 2007) The
3 answers
asked by
Miss Cheong
695 views
This data shows the final exam scores of 10 randomly selected students and the number of hours they studied for an exam. (hours,
2 answers
asked by
maria
540 views
5. HR Assistant Survey
A sample of HR assistants in Plano Texas was created. It was suggested that the data should be analyzed
1 answer
asked by
Nina
450 views
R square is the coeffecient of determination.
Is Multiple R the coefficient of correlation?
1 answer
asked by
Thara
440 views
Exercise Questions
Chapters 13, 14, and 17 James A Hardeman Exercise 13-40 A suburban hotel derives its gross income from its
3 answers
asked by
James
1,104 views
If a quadratic regression model is Yi =β0 + β1 X1i +β2 X1i2 + ε, what should be the alternate hypothesis (H1) for testing
3 answers
asked by
Mark
85 views
What would be the possible consequences of including highly correlated variables in multiple regressions? (multiple answers)
3 answers
asked by
Mark
58 views
The relationship between X and Y is represented as a quadratic relationship and the summary regression output is shown below :
Co
3 answers
asked by
Mark
58 views
Calculate the T-stat of a regression given that the coefficient value is 0.000067, the Standard Deviation Error is 0.00007, and
3 answers
asked by
Mark
40 views
In a regression analysis, how do you tell if an independent variable is highly correlated with other independent variables?
3 answers
asked by
Mark
43 views
How to calculate a VIF in a regression
3 answers
asked by
Mark
26 views
Which of the following are indications of strong collinearity?
Group of answer choices Best Subset Regression Large change in the
3 answers
asked by
Mark
40 views
Is best subset regression a sign of strong colinierity?
3 answers
asked by
Mark
32 views
In testing a Quadratic effect, we compare Adj R2 from simple regression model to which of the following from the quadratic
3 answers
asked by
Mark
42 views
The adjusted r^2 for the quadratic model is 0.9765 and the adjusted r^2 for the simple regression model is 0.94567.
What does
3 answers
asked by
Mark
35 views
Suppose that you want to calculate the VIF of variable X1 in the following model:
Yi =β0 + β1 X1i + β2 X2i + β3 X3i + ε
3 answers
asked by
Mark
23 views
Wilpen Company, a price- setting firm, produces nearly 80 percent of all tennis balls purchased in the United States. Wilpen
3 answers
asked by
raja
557 views
1)The director of marketing at
Vanguard Corporation believes the sales of the company’s Bright Side Laundry detergent (S) are
1 answer
asked by
raja
617 views
o Formulate a hypothesis statement regarding your research issue.?
o Perform a regression hypothesis test on the data.? o
2 answers
asked by
jessika
516 views
Observations are taken on sales of a certain mountain bike in 30 sporting goods stores. The regression model was Y = total sales
1 answer
asked by
Mat
1,251 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (56)
Advertising Effectiveness
Algebra
Algebra or Statistics
Algebra/Equations
Applied Statistics
Calculus
Correlation
Correlation Analysis
Data Analysis
Data Analysis and Interpretation
Data Analysis and Statistics
Data Modeling
Demand Analysis
Descriptive Statistics
Diet and Caloric Intake
Econometrics
Econometrics Analysis
Econometrics/statistics
Economics
Education
Equations and Formulas
Financial Analysis
Functions and Equations
Hypothesis Formulation and Testing
Market Analysis
Marketing and Advertising
Math
Math and Statistics
Math/Statistics
Mathematical Statistics
Mathematics
Mathematics and Statistics
Mathematics/Statistics
Probabilities and Statistics
Programming and Data Analysis
Quantitative Analysis
Sales Analysis
Sales Performance
SAS Programming
Scatterplots and Correlation
Sleep and Meditation
Statistical Analysis
Statistical Analysis Techniques
Statistical Concepts
Statistics
Statistics and Data Analysis
Statistics and Econometrics
Statistics and Probability
Statistics or Data Analysis
Statistics/Econometrics
Study on Wood Flakes
Supply and Demand
Survey data analysis
Surveys and Research
Tree Measurements
Typing Skills