Graphical Presentation and Linear Fitting of Data

Question 1

It is an illustration of a variable in relation to another variable.

Answer 1

Graph

Question 2

What are the two main variables in constructing a graph?

Answer 2

Independent (x) and dependent (y)

Question 3

It is the relationship of x and y described by the equation of the line.

Answer 3

Linear proportionality

Question 4

It is a procedure of determining the general linear behavior of a set of data or measurements.

Answer 4

Linear fitting

Question 5

It strives to show the relationship between two variables by applying a linear equation to observed data

Answer 5

Linear Regression

Question 6

What are the two statistical values that are used to describe the linear relationship of x and y?

Answer 6

The Pearson product-moment correlation coefficient (R) and The Coefficient of determination (R^2)

Question 7

The Pearson Product-Moment Correlation is also known as?

Answer 7

The Linear Correlation Coefficient

Question 8

It is used to determine the type of correlation x and y exhibit.

Answer 8

Pearson Product-Moment Correlation Coefficient/Linear Correlation Coefficient (R)

Question 9

It is used to determine the strength of correlation of x and y.

Answer 9

Coefficient of Determination (R^2)

Question 10

If the value of R^2 is close to 1 x and y has a

Answer 10

strong linear relationship

Question 11

If the value of R^2 is close to 0 x and y has a

Answer 11

poor linear correlation.

Question 12

R^2 also describes the ___________ or _______________.

Answer 12

goodness of the linear fit, how reliable the goodness of the linear fit equation is in showing the general behavior of the data.