the objective of bivar methods is to study the association/relation between 2 variables

Q: Use the scatterplot of Vehicle Registrations below to answer the questions Vehicle Registrations in…

A: As given plot is number of vehicle Registrations in millions Vs Year-          that means with…

Q: What is the main condition in polynomial interpolation?

A: Interpolation polynomial: A polynomial Px is called an interpolating polynomial if the value of Px…

Q: Explain the Parameter reduction by using the ADL model?

A: Autoregressive Distributed Model Lag (ADL) -The regressors of one or more explanatory variables may…

Q: For XYZ bank., one of the items to monitors is the credit balance of credit cards. One possible…

A: Given: The number of customers in each type of credit cards or the number of rows is r=41. The type…

Q: can this be solved with a Z table please?

A: Yes, the questions can be solved using a Z table, please find the work below with the attached Z…

Q: the mean of dataset (9,5,y,2,x) is twice the dataset (8,x,4,1,3). what is (y-x)^2

A:

Q: How does Violation of homoscedasticity assumption can be done explain with diagram?

A: In linear regression, homoscedasticity is the assumption of having constant variance for the error…

Q: 3. Explain the methods used to measure the association between variables.

A: The methods used for measuring the association between variables must be determined.

Q: What is the cross product method? Use an example.

A: The cross product method, also known as the cross multiplication method, is a strategy used to solve…

Q: Explain Perpendicular Least Squares.

A: Introduction: The perpendicular least squares method is a special method of fitting a linear model…

Q: Explain the term variable and its different types.

A: Variable: A variable is any characteristics, number, or quantity that can be measured or counted…

Q: Out of 100 German nationals, 60 liked music of their own language, whereas 70 French nationals out…

A: The objective is to state whether German's prefer their own music in comparison with Frenchmen using…

Q: What does it mean to say that two variables are positively​ associated? Negatively​ associated?

A: Association: The association of how two varaibles are connected with each other. It decides how one…

Q: can this be solved using a z score table

A: Z-score table :  It helps to know the percentage the value of below the z-score . * It is for…

Q: hat is the dependent variable, constant, independent variable, and control group? Do bigger dogs…

A: A scientific experiment consists of a set of steps designed to test a hypothesis. To correctly…

Q: Explain Runge - Kutta 2-order method.

A:

Q: What are the Irrelevant variables?

A: Irrelevant variables are complement to omitted variable and A variable is irrelevant if its true…

Q: 7. Evaluate-} -3(1-y) for x=-3 and y=-4 An Show your work for #7 here:

A: We have the expression: Expression: -x2 - 3(x-y)  We need to evaluate this expression for x = -3 and…

Q: How does expressed symbolically the interaction sum of squares?

A:

Q: Suppose that in a research it was discovered that those who majored in math, engineering, or…

A: It is given that the research was discovered that those who majored in math, engineering, or…

Q: Choose the answer that best describes the relationship between [2] and [2, C, B}

A:

Q: (V10 + V5)(V10 – V5) = (_) – (P = –

A: Given, To solve

Q: Checking relation properties by using matrices.

A: To check the properties of relation using matrices.

Q: The maximum degree of interpolating polynomial can be built using four data points is Answer:

A: We will find out the required value.

Q: With a suitable example, briefly explain that depending upon various categories, how dummy variables…

A: We need to use the concept of Dummy variables

Q: What is the difference between dependent and independent variable?

A: Our aim is to state the difference between dependent and independent variable

Q: What are the 4 types of transformations?

A: To Describe: Four types of transformation

Q: (3) Construct a linear spline interpolating (-1, 0), (0, 1), (1, 3).

A:

Q: Select all that apply. Correlation cannot be negative cannot be larger than 1 can be negative can…

A: Correlation: Correlation determines the size and direction of the relationship between the two…

Q: stitution? I have to use the Column Correspon

A: Is (1,2,3,4,5,6)∈ span( (1,1,1,1,1,1),(0,1,0,1,0,2),(6,5,4,3,2,1)) > A x1 x2 x3 x4 x5 x6…

Q: 36x³ + 27x² + 102x + 71 -dx Integrate: 9x2 + 25 + C

A: