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Elementary Statistics: Course Overview and Key Concepts

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Intro to Stats

  • Percorso guidato
    Types of Data
    04:24
  • Percorso guidato
    Parameters vs. Statistics
    05:53
  • Percorso guidato
    Introduction to Statistics Channel
    2:13

Intro to Collecting Data

  • Percorso guidato
    Introduction to Collecting Data
    4:01

Sampling Methods

  • Percorso guidato
    Sampling Methods Example 2
    03:07
  • Percorso guidato
    Simple Random Sampling Example 1
    01:30
  • Percorso guidato
    Sampling Methods
    05:27

Mean

  • Percorso guidato
    Calculating the Mean
    04:52
  • Percorso guidato
    Calculating the Mean Example 1
    03:08

Standard Deviation

  • Percorso guidato
    Calculating Standard Deviation
    08:45
  • Percorso guidato
    Calculating Standard Deviation Example 1
    02:59

Basic Concepts of Probability

  • Percorso guidato
    Introduction to Probability
    5:37

Addition Rule

  • Percorso guidato
    Probability of Mutually Exclusive Events
    5:14
  • Percorso guidato
    Probability of Non-Mutually Exclusive Events Example
    2:57
  • Percorso guidato
    Probability of Non-Mutually Exclusive Events
    5:14

Multiplication Rule: Independent Events

  • Percorso guidato
    Probability of Multiple Independent Events
    05:54

Binomial Distribution

  • Percorso guidato
    Finding Binomial Probabilities Using TI-84 Example 1
    03:33
  • Percorso guidato
    Finding Binomial Probabilities Using TI-84 Example 2
    04:20
  • Percorso guidato
    Mean & Standard Deviation of Binomial Distribution
    03:28

Standard Normal Distribution

  • Percorso guidato
    Z-Scores from Probabilities
    08:50
  • Percorso guidato
    Probabilities Between Two Values
    03:50
  • Percorso guidato
    Finding Standard Normal Probabilities using z-Table
    09:47

Non-Standard Normal Distribution

  • Percorso guidato
    Finding Z-Scores for Non-Standard Normal Variables Example 1
    06:21
  • Percorso guidato
    Finding Values of Non-Standard Normal Variables from Probabilities
    04:05
  • Percorso guidato
    Finding Z-Scores for Non-Standard Normal Variables
    03:17

Sampling Distribution of the Sample Mean and Central Limit Theorem

  • Percorso guidato
    Central Limit Theorem Example 1
    02:33
  • Percorso guidato
    Central Limit Theorem
    05:14
  • Percorso guidato
    Sampling Distribution of Sample Mean
    06:53

Introduction to Confidence Intervals

  • Percorso guidato
    Critical Values: z Scores
    04:46
  • Percorso guidato
    Introduction to Confidence Intervals
    06:33

Confidence Intervals for Population Mean

  • Percorso guidato
    Finding t-Values Using a TI-84
    05:47
  • Percorso guidato
    Critical Values: t-Distribution
    05:50
  • Percorso guidato
    Finding Confidence Intervals Using TI-84
    04:30

Confidence Intervals for Population Proportion

  • Percorso guidato
    Constructing Confidence Intervals for Proportions Example 1
    06:38
  • Percorso guidato
    Finding the Minimum Sample Size Needed for a Confidence Interval
    04:08
  • Percorso guidato
    Constructing Confidence Intervals for Proportions Example 2
    04:24

Steps in Hypothesis Testing

  • Percorso guidato
    Step 4: State Conclusion
    09:56
  • Percorso guidato
    Step 2: Calculate Test Statistic
    06:34
  • Percorso guidato
    Step 1: Write Hypotheses
    06:21

Performing Hypothesis Tests: Means

  • Percorso guidato
    Standard Deviation (σ) Unknown Example 3
    05:55
  • Percorso guidato
    Standard Deviation (σ) Known Example 1
    06:38
  • Percorso guidato
    Standard Deviation (σ) Known
    06:34

Performing Hypothesis Tests: Proportions

  • Percorso guidato
    Performing Hypothesis Tests: Proportions
    05:52
  • Percorso guidato
    Performing Hypothesis Tests: Proportions Example 1
    07:06
  • Percorso guidato
    Performing Hypothesis Tests: Proportions Using TI-84
    03:32

Two Proportions

  • Percorso guidato
    Difference in Proportions: Confidence Intervals
    08:09
  • Percorso guidato
    Two Proportions Inferences Using a TI-84 Example 3
    05:32
  • Percorso guidato
    Difference in Proportions: Hypothesis Tests Example 1
    10:28

Two Means - Unknown, Unequal Variance

  • Percorso guidato
    Difference in Means: Hypothesis Tests Example 1
    07:32
  • Percorso guidato
    Difference in Means: Confidence Intervals Using TI-84 Example 4
    03:33
  • Percorso guidato
    Difference in Means: Confidence Intervals
    08:21

Two Means - Unknown, Equal Variance

  • Percorso guidato
    Means Unknown Equal Variances Hypothesis Test Using TI-84
    06:20
  • Percorso guidato
    Means Unknown Equal Variances Hypothesis Test Using TI-84 Example 2
    03:34
  • Percorso guidato
    Means Unknown Equal Variances Hypothesis Test Using TI-84 Example 1
    03:10

Two Means - Known Variance

  • Percorso guidato
    Means Known Variances Hypothesis Test Using TI-84 Example 2
    02:44
  • Percorso guidato
    Means Known Variances Hypothesis Test Using TI-84
    05:05
  • Percorso guidato
    Means Known Variances Hypothesis Test Using TI-84 Example 1
    02:51

Two Means - Matched Pairs (Dependent Samples)

  • Percorso guidato
    Matched Pairs: Hypothesis Tests
    07:23
  • Percorso guidato
    Matched Pairs: Confidence Intervals
    07:19
  • Percorso guidato
    Introduction to Matched Pairs
    08:33

Scatterplots & Intro to Correlation

  • Percorso guidato
    Scatterplots & Intro to Correlation Example 1
    05:14
  • Percorso guidato
    Scatterplots & Intro to Correlation
    06:36
  • Percorso guidato
    Creating Scatterplots - Graphing Calculator
    05:26

Correlation Coefficient

  • Percorso guidato
    Correlation Coefficient
    05:43
  • Percorso guidato
    Calculating Correlation Coefficient - Graphing Calculator
    04:40
  • Percorso guidato
    Calculating Correlation Coefficient - Graphing Calculator Example 1
    03:44

Linear Regression & Least Squares Method

  • Percorso guidato
    Using Regression Lines to Predict Values
    04:57
  • Percorso guidato
    Intro to Least Squares Regression Example 1
    05:02
  • Percorso guidato
    Intro to Least Squares Regression
    07:01

Contingency Tables

  • Percorso guidato
    Contingency Tables & Expected Frequencies
    08:18

Goodness of Fit Test

  • Percorso guidato
    Goodness of Fit Test: Unequal Probabilities
    05:24
  • Percorso guidato
    Goodness of Fit Test Example 1
    08:49
  • Percorso guidato
    Goodness of Fit Test
    10:17

Independence Tests

  • Percorso guidato
    Independence Test
    06:28
  • Percorso guidato
    Independence Test Example 1
    08:07

Homogeneity Tests

  • Percorso guidato
    Homogeneity Test
    05:27
  • Percorso guidato
    Homogeneity Test Example 1
    06:28

Introduction to ANOVA

  • Percorso guidato
    ANOVA Test
    05:31
  • Percorso guidato
    ANOVA Test Using TI-84
    04:58
  • Percorso guidato
    ANOVA Test Using TI-84 Example 1
    02:43