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Business Statistics: Core Concepts and Applications

주석실무비디오 수업

학습 가이드 - 영상으로 배우기

업로드한 자료에 맞춘 엄선된 수업 – 모든 주제를 단계별로 배워보세요.

Intro to Stats

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

Intro to Collecting Data

  • Introduction to Collecting Data
    4:01

Sampling Methods

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

Probabilities & Z-Scores w/ Graphing Calculator

  • Z-Scores From Given Probability - TI-84 (CE) Calculator
    06:31
  • Probability From Given Z-Scores - TI-84 (CE) Calculator
    07:09

Sampling Distribution of the Sample Mean and Central Limit Theorem

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

Introduction to Confidence Intervals

  • 가이드 코스
    Critical Values: z Scores
    04:46
  • 가이드 코스
    Introduction to Confidence Intervals
    06:33

Confidence Intervals for Population Mean

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

Steps in Hypothesis Testing

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

Performing Hypothesis Tests: Means

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

Linear Regression & Least Squares Method

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