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统计学

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  • 1.1- The Key Words and Definitions For Elementary Statistics
  • 1.3- Exploring Categories of Data, Levels of Measurement
  • 1.5- Sampling Techniques. How to Develop a Random Sample
  • 2.2- Creating Frequency Distribution and Histograms
  • 3.2- Finding the Center of a Data Set. Mean, Median, Mode
  • 3.3- Finding the Standard Deviation of a Data Set
  • 3.4- Finding Z-Score, Percentiles and Quartiles, and Comparing Standard Deviatio
  • 4.2- Introduction to Probability
  • 4.3- The Addition Rule for Probability
  • 4.4- The Multiplication Rule for "And" Probabilities.
  • 4.5- Probability of Complementary Events with "At Least One"
  • 4.7- Fundamental Counting Rule, Permutations and Combinations
  • 5.2- A Study of Probability Distributions, Mean, and Standard Deviation
  • 5.3- A Study of Binomial Probability Distributions
  • 5.4- Finding Mean and Standard Deviation of a Binomial Probability Distribution
  • 6.2- Introduction to the Normal Distribution and Continuous Random Variables
  • 6.3- The Standard Normal Distribution. Using z-score, Standard Score
  • 6.4- Sampling Distributions Statistics. Using Samples to Approx. Populations
  • 6.5- The Central Limit Theorem for Statistics. Using z-score, Standard Score
  • 7.2- Finding Confidence Intervals for the Population Proportion
  • 7.3- Confidence Interval for the Sample Mean, Population Std Dev -- Known
  • 7.4- Confidence Interval for the Sample Mean, Population Std Dev -- Unknown
  • 7.5- Confidence Intervals for Variance and Std Dev. Chi-Squared Distribution.
  • 8.2- An Introduction to Hypothesis Testing
  • 8.3- Hypothesis Testing for Population Proportion
  • 8.4- Hypothesis Testing for Population Mean. Population Std Dev is Known.
  • 8.5- Hypothesis Testing for Population Mean. Population Std Dev is Unknown.
  • 8.6- Hypothesis Testing Involving Variance and Standard Deviation.
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