answer the following MCQs without explanation-

a) instead of using the word landlord or 'tenant' in response to a question that asks for identification of one's residential status, one can use these letters as 'LLD' or TNT. This variable can also be assigned as I for landlord and 2 for tenant, which is then knwon as ____coding in regression analysis. Select one:

a. Dummy variable O

b. Digital coding

O c. Numeric coding

O d Regression coding

b) An r-squared value of 0.72 indicates

Select one:

O a. 7216 of the variance caused in dependent variable is explained by independent variables

O b, 28% of the variance caused in dependent variable is explained by independent variables

O c 28% of the variance caused in independent variables is explained by dependent variable

O d. 72% of the variance caused in independent variables is explained by dependent variables

c) The monthly sales of employees is correlated with their training performance and the value obtained is 0.8. The type of analysis we are referring in this scenario is

Select one:

O a: Multivariate Analysis

O b. Univariate Analysis

O c. Descriptive Analysis

O d. Bivariate Analysis

d)In a discriminant analysis, specificity measures

Select one:

O a. Type 2 error

Ob. Both type land type 2 error

Oc. Neither type I nor type 2 error

d. Type l error