What proportion of the variation in y can be explained by the variation in the values of x?

Q: equation y=|x|

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Q: do you need to add the days to the regression equation

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Q: Based on the scatterplot predict the value of y when x = 30 %3D

A: The slope of the regression is downward sloping   we can see that As the X increase, the value of Y…

Q: This study aims to find the correlation between the number of weeks of gestation and the weight of…

A: Correlation is a statistical technique used for analyzing the behavior of two or more variates. Its…

Q: so im going to include this work i have to do and i dont really understand the question and was…

A: BMI or Body Mass Index is a measure of knowing whether a person is healthy or obese or suffering…

Q: If x  and  y  represent two quantities and k is a non-zero number, explain the difference between…

A: Use the information above and  simplify the statement.

Q: Beachcomber Ltd in a local car dealership that sells used and new vehicles. The manager of the…

A: The significance of slope is tested using the t distribution for which the degree of freedom is…

Q: 1) What are the assumptions of a simple linear regression model.

A: In simple linear regression there will be only one independent variable. In multiple linear…

Q: 1. If y varies directly as x and y = 10 and x = 2, find the equation of variation.

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Q: What is the domain of y=2x ? What is the range of y=2x ?

A: For a function y=f(x), the set of real values of x for which f(x) is defined is called the domain of…

Q: The following data was collected to explore how the number of square feet in a house, the number of…

A: The data shows the number of square feet in a house, the number of bedrooms, and the age of the…

Q: on the marks in Accountancy (Y) is 3 Y-5 X+180=0. The mean marks in Accountancy is 44 and variance…

A: n = 50 mean marks in Accountancy ,y = 44

Q: The road of Barangay Lumbia needs to be repaired. The time (t) needed to repair the said road varies…

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Q: A population of values has a normal distribution with μ=100.8  and σ=20.2. You intend to draw a…

A: Given,μ=100.8σ=20.2n=218

Q: I need help phrasing a quantitative research question. The topic is on Health, it is focused on…

A: Given Information: Topic: Health Dependent variable: Widowed Americans Independent Variable: Quality…

Q: Suppose that fund-raisers at a university call recent graduates to request donations for campus…

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Q: Why is the coefficient of variation important? What do we mean when we say that the coefficient of…

A: A coefficient of variation (CV) can be calculated and interpreted in two different settings:…