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Final Exam Review Guidance for MAT 124 (Statistics) Chapters 6–10

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Discrete Random Variables

  • Guided course
    Expected Value (Mean) of Random Variables
    04:14
  • Guided course
    Intro to Random Variables & Probability Distributions
    07:09
  • Guided course
    Variance & Standard Deviation of Discrete Random Variables
    04:48

Mean

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    Calculating the Mean
    04:52
  • Guided course
    Calculating the Mean Example 1
    03:08

Standard Deviation

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    Calculating Standard Deviation
    08:45
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    Calculating Standard Deviation Example 1
    02:59

Binomial Distribution

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

Standard Normal Distribution

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

Sampling Distribution of the Sample Mean and Central Limit Theorem

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

Introduction to Confidence Intervals

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    Critical Values: z Scores
    04:46
  • Guided course
    Introduction to Confidence Intervals
    06:33

Confidence Intervals for Population Mean

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

Steps in Hypothesis Testing

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

Performing Hypothesis Tests: Means

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

Type I & Type II Errors

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    Type I & Type II Errors Example 1
    03:21
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    Type I & Type II Errors
    06:02

Correlation Coefficient

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

Boxplots

  • Guided course
    Boxplots Example 1
    01:52
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    Boxplots Example 2
    02:48
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    Boxplots ("Box and Whisker Plots")
    03:54