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QMS210: Applied Statistics for Business – Course Syllabus and Study Guide

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Frequency Distributions

  • Percorso guidato
    Intro to Frequency Distributions Example 1
    06:19
  • Percorso guidato
    How to Create Frequency Distributions Example 2
    05:18
  • Percorso guidato
    How to Create Frequency Distributions
    06:29

Histograms

  • Percorso guidato
    Intro to Histograms
    05:54

Stemplots (Stem-and-Leaf Plots)

  • Percorso guidato
    Example 1
    06:09
  • Percorso guidato
    Creating Stemplots
    06:23

Mean

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

Median

  • Percorso guidato
    Comparing Mean vs. Median Example 2
    04:56
  • Percorso guidato
    Calculating the Median Example 1
    02:35
  • Percorso guidato
    Calculating the Median
    03:26

Mode

  • Percorso guidato
    Mode
    03:20

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

Binomial Distribution

  • Percorso guidato
    The Binomial Experiment Example 1
    02:58
  • Percorso guidato
    Mean & Standard Deviation of Binomial Distribution
    03:28
  • Percorso guidato
    Finding Binomial Probabilities Using TI-84 Example 1
    03:33

Poisson Distribution

  • Percorso guidato
    Finding Probabilities Using the Poisson Distribution Example 2
    05:06
  • Percorso guidato
    Finding Probabilities Using the Poisson Distribution Example 1
    06:34
  • Percorso guidato
    Finding Probabilities Using the Poisson Distribution
    03:10

Standard Normal Distribution

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

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

Sampling Distribution of Sample Proportion

  • Percorso guidato
    Sampling Distribution of Sample Proportion
    05:11
  • Percorso guidato
    Using the Normal Distribution to Approximate Binomial Probabilities Example 1
    03:21
  • Percorso guidato
    Using the Normal Distribution to Approximate Binomial Probabilities
    06:23

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 Confidence Intervals Using TI-84
    04:30
  • Percorso guidato
    Critical Values: t-Distribution Example 2
    04:06
  • Percorso guidato
    Population Standard Deviation Unknown Example 3
    09:00

Confidence Intervals for Population Proportion

  • Percorso guidato
    Finding a Confidence Interval for a Population Proportion Using a TI84
    02:35
  • Percorso guidato
    Constructing Confidence Intervals for Proportions Example 2
    04:24
  • Percorso guidato
    Constructing Confidence Intervals for Proportions
    05:45

Steps in Hypothesis Testing

  • Percorso guidato
    Intro to Hypothesis Testing
    05:12
  • Percorso guidato
    Step 3: Get P-Value
    06:50
  • Percorso guidato
    Step 2: Calculate Test Statistic
    06:34

Performing Hypothesis Tests: Means

  • Percorso guidato
    Standard Deviation (σ) Known Example 2
    04:53
  • Percorso guidato
    Standard Deviation (σ) Known Example 3
    06:51
  • Percorso guidato
    Standard Deviation (σ) Unknown Example 4
    06:13

Performing Hypothesis Tests: Proportions

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

Two Means - Known Variance

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

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

Two Means - Unknown, Unequal Variance

  • Percorso guidato
    Difference in Means: Confidence Intervals
    08:21
  • Percorso guidato
    Difference in Means: Confidence Intervals Using TI-84
    05:22
  • Percorso guidato
    Difference in Means: Hypothesis Tests Example 1
    07:32

Two Means - Matched Pairs (Dependent Samples)

  • Percorso guidato
    Introduction to Matched Pairs
    08:33
  • Percorso guidato
    Matched Pairs: Hypothesis Tests Example 2
    05:03
  • Percorso guidato
    Matched Pairs: Hypothesis Tests
    07:23

Two Proportions

  • Percorso guidato
    Difference in Proportions: Hypothesis Tests Example 1
    10:28
  • Percorso guidato
    Difference in Proportions: Confidence Intervals Example 2
    09:24
  • Percorso guidato
    Two Proportions Inferences Using a TI-84
    05:01

Introduction to ANOVA

  • Percorso guidato
    ANOVA Test
    05:31
  • Percorso guidato
    ANOVA Test Using TI-84 Example 1
    02:43
  • Percorso guidato
    Introduction to ANOVA
    06:46

Multiple Comparisons: Tukey-Kramer Test

  • Percorso guidato
    Tukey-Kramer Test Example 1
    06:42
  • Percorso guidato
    Tukey-Kramer Test
    09:08

Scatterplots & Intro to Correlation

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

Correlation Coefficient

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

Linear Regression & Least Squares Method

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