QMBU 301 (Fall 23) • Quantitative Methods in Business • Midterm

Population, Sample, Types of Data

Measures of Location (Mean, Mode, Median)

Example: Measures of Location

Grouping Data, Graphs to Describe Data (Histogram, Ogive, Stem and Leaf Display)

Measures of Spread (Measures of Variation)

Scatter Plot and Measures of Association (Covariance & Correlation)

Probability Review

E(X), Var(X) and Cov(X,Y) of Probability Distribution

Düzeltme - E(X) ve Var(X)

Normal Distribution

Confidence Interval for Mean (Population Standard Deviation Known)

Confidence Interval for Mean (Population Standard Deviation Unknown)

Question 1

Question 2

Question 3

Hypothesis Test - Introduction

Hypothesis Test - One Population Mean (Population Variance Known)

Hypothesis Test - One Population Mean (Population Variance Unknown)

Sample Quiz 1

Regression Equation Nedir ?

Simple Linear Regression - Exam Like Question 1

Simple Linear Regression - Exam Like Question 1 (Manual Computation / Part 1)

Simple Linear Regression - Exam Like Question 1 (Manual Computation / Part 2)

Simple Linear Regression - Exam Like Question 2 (Part 1)

Simple Linear Regression - Exam Like Question 2 (Part 2)

Prediction Interval

Multiple Linear Regression Model

Multiple Linear Regression - Exam Like Question 1

Multiple Linear Regression - Exam Like Question 2 (Part 1)

Multiple Linear Regression - Exam Like Question 2 (Part 2)

Multiple Linear Regression - Exam Like Question 3

Multiple Linear Regression - Exam Like Question 4

Multicollinearity

Assumptions of Linear Regression Model - An Introduction

Assumptions of Linear Regression Model - Detailed

Assumptions of Linear Regression Model - Summary

Tukey's Bulging Rule

Assumptions of Linear Regression Model - Exam Like Question

Sample Quiz 2

Question 1 - Part 1

Question 1 - Part 2

Question 1 - Part 3

Question 1 - Part 4

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7