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STA 215 Final Exam Practice #2 – Step-by-Step Statistics Guidance

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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

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

Boxplots

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

Type I & Type II Errors

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

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

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

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: 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

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

Independence Tests

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

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 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

Regression Line Equation and Coefficient of Determination - Excel

  • Percorso guidato
    Regression Line Equation and Coefficient of Determination - Excel Example 1
    05:27
  • Percorso guidato
    Regression Line Equation and Coefficient of Determination - Excel
    03:28