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Confidence Intervals and Hypothesis Testing: Study Guide for Chapters 9, 10, and 11

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Introduction to Confidence Intervals

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

Confidence Intervals for Population Proportion

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

Confidence Intervals for Population Mean

  • Guided course
    Finding t-Values Using a TI-84
    05:47
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    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
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    Step 1: Write Hypotheses
    06:21

Performing Hypothesis Tests: Proportions

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

Performing Hypothesis Tests: Means

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

Two Means - Unknown, Equal Variance

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

Two Means - Unknown, Equal Variances Hypothesis Test - Excel

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    Two Means Unknown, Equal Variances Hypothesis Test - Excel
    05:54
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    Two Means Unknown, Equal Variances Hypothesis Test - Excel Example 1
    04:00

Two Means - Unknown, Unequal Variance

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

Two Means - Unknown Variances Hypothesis Test - Excel

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    Two Means - Unknown Variances Hypthesis Test - Excel
    04:43
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    Two Means - Unknown Variances Hypthesis Test - Excel Example 1
    04:08
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    Two Means - Unknown Variances Hypthesis Test - Excel Example 2
    03:50

Two Proportions

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