Prescriptive analysis combines which two types of analysis?

• A) Exploratory and descriptive
• B) Diagnostic and descriptive
• C) Diagnostic and predictive
• D) Predictive and descriptive

When we use a model to test social phenomena, it is called __________.

• A) Statistical Model
• B) Social Model
• C) Mathematical Model
• D) Psychological Model

An independent variable may be removed from a multiple regression model if it is statistically significant.

• A) False
• B) True
• C)
• D)

Slope of regression line is also called:

• A) Error term
• B) Y-intercept
• C) R-square
• D) Coefficient of Regression

Prediction relates to finding unknown values within or between existing values.

• A) True
• B) False
• C)
• D)

Which of the following is the correct practical procedure to draw Scatter Plot in SPSS?

• A) Legacy Dialogs--->Graphs---> Scatter/Dot
• B) Graphs--->Legacy Dialogs--->Scatter/Dot
• C) Scatter/Dot--->Legacy Dialogs--->Graphs
• D) Scatter/Dot---> Graphs---> Legacy Dialogs

Regression model is a _________.

• A) Mathematical Model
• B) Psychological Model
• C) Social Model
• D) Statistical Model

When we use mathematical functions within a model, it is called__________.

• A) Mathematical Model
• B) Statistical Model
• C) Social Model
• D) Psychological Model

Weather forecasting is an example of Predictive Analytics.

• A) False
• B) True
• C)
• D)

We want to see the impact of salary on employee satisfaction of an organization. This is an example of:

• A) Multiple Regression Analysis
• B) Step-wise Regression Analysis
• C) Simple Regression Analysis
• D) Grouped Regression Analysis

Which technique is commonly used in Optimization?

• A) Data filtering
• B) Correlation analysis
• C) Regression models
• D) Linear or non-linear programming

ANOVA stands for:

• A) Analysis of Variation
• B) Analysis of Variable
• C) Analysis of Variance
• D) Analysis of Value

If job satisfaction is analyzed on the basis of salary, work environment, and esteem, then this regression analysis will be called as __________.

• A) Step-wise Regression Analysis
• B) Multiple Regression Analysis
• C) Grouped Regression Analysis
• D) Simple Regression Analysis

__________ is the angel at which the regression line slopes upward or downward.

• A) Slope
• B) Error term
• C) R-square
• D) Y-intercept

If the value of R-square in a regression output is 0.45, it means the independent variable explains __________ variation in the dependent variable.

• A) 4.5%
• B) 0.45%
• C) 55%
• D) 45%

What is the main purpose of Forecasting?

• A) To optimize profit
• B) To minimize cost
• C) To determine the best decision
• D) To predict future outcomes using past data

One major limitation of MS Excel Solver is that it:

• A) Provides automatic visual graphs
• B) Can handle any non-linear problem easily
• C) Supports unlimited constraints
• D) Has restricted application for non-linear problems

__________ estimates the extent of variation in a sample from the actual population value.

• A) Coefficient of Regression
• B) Y-intercept
• C) Standard Error
• D) R-square

If the Standard Error is very large, there will be more variability in regression line.

• A) True
• B) False
• C)
• D)

A company wants to predict next month’s sales using the last 12 months of sales data. This is an example of:

• A) Optimization
• B) Inventory control
• C) Forecasting
• D) Goal setting