Which of the following is true with regards to the concept of a Coefficient Determination? (Multiple Answers)

• it is the portion of the total variation in the dependent variable that is explained by its relationship with the independent variable
• it is called R-square
• the value it assumes will be between -1 and +1
• it has the symbol of r
• all of these
• none of these

Residual is the difference between the actual value of the dependent variable and the value predicted by the regression model:

• True
• False

Which of the following is true with regards to the concept of Base Period Index?

• it is always equal to zero
• it is always set to 100
• it is used to convert values measured at different times into more directly comparable values
• all of these
• none of these

Aggregate Price Index is an index that is used to measure the rate of change from a based period for a group of two or more items:

• True
• False

Population Variance is the average of the squared distance of the data values from the mean:

• True
• False

Chi-square distribution is the distribution for the standardized sample of means:

• True
• False

F-distribution is used to test two population ranges:

• True
• False

One way Analysis of Variance (ANOVA) is designed,isto test whether more than one populations' means are equal:

• True
• False

Which of the following is true with regards to the concept of ANOVA? (Multiple Answers)

• it is a statistical process used in astronomy
• It is a brand name of smoked salmon aka lox
• it is another name for hypothesis testing
• all of these
• none of these