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Same question for my friend. Please rephrase it . I would like to know what factors influence the annual income of a person. What are some of the variables you will look for? How would you collect data on these variables? Is the data qualitative or quantitative? Remember that for each person you find the income of, you should be able to identify the value of the variable you mention above in order to run a regression. Let's say I run a regression with income as the dependent variable and race as the independent variable. My results indicate that race is a "significant" variable. Then, I run another regression, again with income as the dependent variable. But this time with both race and education as the independent variables. My results now indicate that race is NOT a "significant" variable, but education is a significant variable. What is your conclusion? What will be your next step?
An insurance company suspects that there is a positive linear relationship between the dollar amount of fire damage in residential fires, and the distance between the residence and the nearest fire station. Data were collected on a random sampl..
Assignment Objectives: Construct a scatter plot for two variables, compute a correlation coefficient, and a regression equation. Use the regression equation to predict a value of the dependent variable.Purpose: In this week's assignment, we ..
Interpret regression results and the value of the coefficient of Determination. Predict the value of Y when X is equal to 10. Calculated the correlation coefficient between Y and X. Test to determine if there is a significant relationship betwe..
The total costs of a proposed project consist of fabrication costs and installation costs. Each cost is uncertain. Fabrication costs Probability Installation costs Probability $MM % $MM % 10 40% 5 25% 20 50% 10 60% 50 10% 30 15% 3.1. Assume that ther..
Identify the type of study proposed and indicate its specific strengths and weaknesses
Calculate the regression equation for this data
In a survey of 900 college students , 405 out of 900 students has credit card or 45% of the student owned a credit card.
In a survey to determine child care costs for working parents, the local Chamber of Commerce randomly samples licensed child care centers in four regions of the metropolitan area. The purpose of the survey is to see whether and how average child c..
1. Complete each of the ANOVA summary tables. In Addition, answer the following questions for each of the ANOVA summary tables:a. What is the factorial notation?
How to calculate the sample size? i want to know the needs and wants of the people who buy some products in the asian supermarkets in the netherlands, so i decide to make interview with them , but firstly i need to calculate how many people s..
Assume a data set is normally distributed with mean 160 and standard deviation 25. If the data set contains 300 data values, approximately how many of the data values will fall within the range 110 to 210?
Determine whether this data already provides an expected relative error introduced by the simulation of below 5%. If not, compute how many new simulations you should run in order to reduce the expected relative error introduced by the simulation b..
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