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Statistics for Business: Final Exam Practice Study Guide

Guida di studio - Impara con i video

Lezioni curate abbinate al materiale che hai caricato – impara ogni argomento passo dopo passo.

Intro to Stats

  • Percorso guidato
    Parameters vs. Statistics
    05:53
  • Percorso guidato
    Types of Data
    04:24

Sampling Methods

  • Percorso guidato
    Simple Random Sampling
    04:17
  • Percorso guidato
    Simple Random Sampling Example 1
    01:30
  • Percorso guidato
    Sampling Methods Example 2
    03:07

Histograms

  • Percorso guidato
    Intro to Histograms
    05:54

Frequency Polygons

  • Percorso guidato
    Creating Frequency Polygons
    04:41
  • Percorso guidato
    Example 1
    04:15

Mean

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

Standard Deviation

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

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

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

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