MATH 232 • Midterm • Introduction to Statistics

Introduction

Frequency Distribution

Example 1

Relative Frequency Distribution

Example 2

Cumulative Frequency Distribution

Example 3

Frequency Histogram

Measures of Central Tendancy

Example 4

Measures of Dispersion

Example 5

Example 6

Example 7

Skewness and Kurtosis

Stem and Leaf Diagram

Example 8

Example 9

Box and Whisker Plot

Example 10

Comparing Boxplots

Example 11

Example 12

Sample Mean

Sample Variance

Example 1

Reading Z Table

Central Limit Theorem

Example 2

Example 3

Example 4

Example 5

Example 6

Normal Approximation to Binomial Distribution

Reading T Table

T Distribution

Descriptive Statistics 1

Descriptive Statistics 2

Central Limit Theorem 1

Central Limit Theorem 2

Central Limit Theorem 3

Central Limit Theorem 4

Central Limit Theorem 5

Central Limit Theorem 6

Central Limit Theorem 7

Introduction

Unbiased Estimators 1

Unbiased Estimators 2

Exam like Question 1

Exam like Question 2

Exam like Question 3

Exam like Question 4

Efficient Estimators

Exam like Question 5

Method of Moments

Exam Like Question 6

Exam Like Question 7

Method of Maximum Likelihood

Exam like Question 8

Exam Like Question 9

Introduction

Table Values (ONLY Z and T Values)

Confidence Interval for Means( Sigma known)

Example 1

Example 2

Example 3

Exam-like Question 1

Confidence Interval for Means (sigma unknown)

Example 1

Example 2

Confidence Interval for Proportions

Example 1

Example 2

Exam-like Question 1

Unbiased Estimators 1

Unbiased Estimators 2

Unbiased Estimators 3

Efficient Estimators 1

Maximum Likelihood Estimators 1

Maximum Likelihood Estimators 2

Interval Estimation of Mean (Known Variance) 1

Interval Estimation of Mean (Known Variance) 2

Interval Estimation of Mean (Known Variance) 3

Interval Estimation of Mean (Unknown Variance) 1

Interval Estimation of Mean (Unknown Variance) 2

Interval Estimation of Mean (Unknown Variance) 3

Interval Estimation of Proportion 1

Interval Estimation of Proportion 2

Introduction

Terminology

Example 1

Example 2

Example 3

Exam Like Question 1

Exam Like Question 2

Testing Procedure

How to Perform the Test for Means

Example 1

Example 2

Example 3

Example 4

Exam like Question 1

Exam like Question 2

How to Perform the Test for Proportions

Example 1

Example 2

Exam Like Question 1

Hypotheses and Test Procedures 1

Hypotheses and Test Procedures 2

Hypotheses and Test Procedures 3

Hypotheses and Test Procedures 4

Hypotheses and Test Procedures 5

Hypothesis Testing about Population Mean 1

Hypothesis Testing about Population Mean 2

Hypothesis Testing about Population Mean 3

Hypothesis Testing about Population Mean 4

Hypothesis Testing about Proportions 1

Hypothesis Testing about Proportions 2

Hypothesis Testing about Proportions 3