Course: Statistics Dnatube
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Lec 1 - Statistics: The Average
Statistics: The Average Introduction to descriptive statistics and central tendency. Ways to measure the average of a set: median, mean, mode
Lec 2 - Statistics: Sample vs. Populatio ...
Statistics: Sample vs. Population Mean The difference between the mean of a sample and the mean of a population.
Lec 3 - Statistics: Variance of a Population
Statistics: Variance of a Population Variance of a population.
Lec 4 - Statistics: Sample Variance
Statistics: Sample Variance Using the variance of a sample to estimate the variance of a population
Lec 5 - Statistics: Standard Deviation
Statistics: Standard Deviation Review of what we've learned. Introduction to the standard deviation.
Lec 6 - Statistics: Alternate Variance F ...
Statistics: Alternate Variance Formulas Playing with the formula for variance of a population.
Lec 7 - Introduction to Random Variables
Introduction to Random Variables Introduction to random variables and probability distribution functions.
Lec 8 - Probability Density Functions
Probability Density Functions Probability density functions for continuous random variables.
Lec 9 - Binomial Distribution 1
Binomial Distribution 1 Introduction to the binomial distribution
Lec 10 - Binomial Distribution 2
Binomial Distribution 2 More on the binomial distribution
Lec 11 - Binomial Distribution 3
Binomial Distribution 3 Basketball binomial distribution
Lec 12 - Binomial Distribution 4
Binomial Distribution 4 Using Excel to visualize the basketball binomial distribution
Lec 13 - Expected Value: E(X)
Expected Value: E(X) Expected value of a random variable
Lec 114 - Expected Value of Binomial Dis ...
Expected Value of Binomial Distribution Expected value of a binomial distributed random variable
Lec 15 - Poisson Process 1
Poisson Process 1 Introduction to Poisson Processes and the Poisson Distribution.
Lec 16 - Poisson Process 2
Poisson Process 2 More of the derivation of the Poisson Distribution.
Lec 17 - Law of Large Numbers
Law of Large Numbers Introduction to the law of large numbers
Lec 18 - Normal Distribution Excel Exercise
Normal Distribution Excel Exercise (Long-26 minutes) Presentation on spreadsheet to show that the normal distribution approximates the binomial distribution for a large number of trials.
Lec 19 - Introduction to the Normal Dist ...
Introduction to the Normal Distribution Exploring the normal distribution
Lec 20 - ck12.org Normal Distribution Pr ...
ck12.org Normal Distribution Problems: Qualitative sense of normal distributions Discussion of how "normal" a distribution might be
Lec 21 - ck12.org Normal Distribution Pr ...
ck12.org Normal Distribution Problems: z-score Z-score practice
Lec 22 - ck12.org Normal Distribution Pr ...
ck12.org Normal Distribution Problems: Empirical Rule Using the empirical rule (or 68-95-99.7 rule) to estimate probabilities for normal distributions
Lec 23 - ck12.org Exercise: Standard Nor ...
ck12.org Exercise: Standard Normal Distribution and the Empirical Rule Using the Empirical Rule with a standard normal distribution
LKec 24 - ck12.org: More Empirical Rule ...
ck12.org: More Empirical Rule and Z-score practice More Empirical Rule and Z-score practice
Lec 25 - Central Limit Theorem
Central Limit Theorem Introduction to the central limit theorem and the sampling distribution of the mean
Lec 26 - Sampling Distribution of the Sa ...
Sampling Distribution of the Sample Mean The central limit theorem and the sampling distribution of the sample mean
Lec 27 - Sampling Distribution of the Sa ...
Sampling Distribution of the Sample Mean 2 More on the Central Limit Theorem and the Sampling Distribution of the Sample Mean
Lec 28 - Standard Error of the Mean
Standard Error of the Mean Standard Error of the Mean (a.k.a. the standard deviation of the sampling distribution of the sample mean!)
Lec 29 - Sampling Distribution Example P ...
Sampling Distribution Example Problem Figuring out the probability of running out of water on a camping trip
Lec 30 - Confidence Interval 1
Confidence Interval 1 Estimating the probability that the true population mean lies within a range around a sample mean.
Lec 31 - Mean and Variance of Bernoulli ...
Mean and Variance of Bernoulli Distribution Example Mean and Variance of Bernoulli Distribution Example
Lec 32 - Bernoulli Distribution Mean and ...
Bernoulli Distribution Mean and Variance Formulas Bernoulli Distribution Mean and Variance Formulas
Lec 33 - Margin of Error 1
Margin of Error 1 Finding the 95% confidence interval for the proportion of a population voting for a candidate.
Lec 34 - Margin of Error 2
Margin of Error 2 Finding the 95% confidence interval for the proportion of a population voting for a candidate.
Lec 35 - Confidence Interval Example
Confidence Interval Example Confidence Interval Example
Lec 36 - Small Sample Size Confidence In ...
Small Sample Size Confidence Intervals Constructing small sample size confidence intervals using t-distributions
Lec 37 - Hypothesis Testing and P-values
Hypothesis Testing and P-values Hypothesis Testing and P-values
Lec 38 - One-Tailed and Two-Tailed Tests
One-Tailed and Two-Tailed Tests One-Tailed and Two-Tailed Tests
Lec 39 - Z-statistics vs. T-statistics
Z-statistics vs. T-statistics Z-statistics vs. T-statistics
Lec 40 - Type 1 Errors
Type 1 Errors Type 1 Errors
Lec 41 - Small Sample Hypothesis Test
Small Sample Hypothesis Test Small Sample Hypothesis Test
Lec 42 - T-Statistic Confidence Interval
T-Statistic Confidence Interval T-Statistic Confidence Interval (for small sample sizes)
Lec 43 - Large Sample Proportion Hypothe ...
Large Sample Proportion Hypothesis Testing Large Sample Proportion Hypothesis Testing
Lec 44 - Variance of Differences of Rand ...
Variance of Differences of Random Variables Variance of Differences of Random Variables
Lec 45 - Difference of Sample Means Dist ...
Difference of Sample Means Distribution Difference of Sample Means Distribution
Lec 46 - Confidence Interval of Differen ...
Confidence Interval of Difference of Means Confidence Interval of Difference of Means
Lec 47 - Clarification of Confidence Int ...
Clarification of Confidence Interval of Difference of Means Clarification of Confidence Interval of Difference of Means
Lec 48 - Hypothesis Test for Difference ...
Hypothesis Test for Difference of Means Hypothesis Test for Difference of Means
Lec 49 - Comparing Population Proportions 1
Comparing Population Proportions 1 Comparing Population Proportions 1
Lec 50 - Comparing Population Proportions 2
Comparing Population Proportions 2 Comparing Population Proportions 2
Lec 51 - Hypothesis Test Comparing Popul ...
Hypothesis Test Comparing Population Proportions Hypothesis Test Comparing Population Proportions
Lec 52 - Squared Error of Regression Line
Squared Error of Regression Line Introduction to the idea that one can find a line that minimizes the squared distances to the points
Lec 53 - Proof (Part 1) Minimizing Squar ...
Proof (Part 1) Minimizing Squared Error to Regression Line Proof (Part 1) Minimizing Squared Error to Regression Line
Lec 54 - Proof (Part 3) Minimizing Squar ...
Proof (Part 3) Minimizing Squared Error to Regression Line Proof (Part 3) Minimizing Squared Error to Regression Line
Lec 55 - Proof (Part 4) Minimizing Squar ...
Proof (Part 4) Minimizing Squared Error to Regression Line Proof (Part 4) Minimizing Squared Error to Regression Line
Lec 56 - Regression Line Example
Regression Line Example Regression Line Example
Lec 57 - Proof Part 2 Minimizing Squared ...
Proof Part 2 Minimizing Squared Error to Line Proof Part 2 Minimizing Squared Error to Line
Lec 58 - R-Squared or Coefficient of Det ...
R-Squared or Coefficient of Determination R-Squared or Coefficient of Determination
Lec 59 - Second Regression Example
Second Regression Example Second Regression Example
Lec 60 - Calculating R-Squared
Calculating R-Squared Calculating R-Squared to see how well a regression line fits data
Lec 61 - Covariance and the Regression Line
Covariance and the Regression Line Covariance, Variance and the Slope of the Regression Line
Lec 62 - Chi-Square Distribution Introdu ...
Chi-Square Distribution Introduction Chi-Square Distribution Introduction
Lec 63 - Pearson's Chi Square Test (Good ...
Pearson's Chi Square Test (Goodness of Fit) Pearson's Chi Square Test (Goodness of Fit)
Lec 64 -Contingency Table Chi-Square Test
Contingency Table Chi-Square Test Contingency Table Chi-Square Test
Lec 65 -ANOVA 1 - Calculating SST (Total ...
ANOVA 1 - Calculating SST (Total Sum of Squares) Analysis of Variance 1 - Calculating SST (Total Sum of Squares)
Lec 66 -ANOVA 2 - Calculating SSW and SS ...
ANOVA 2 - Calculating SSW and SSB (Total Sum of Squares Within and Between).avi Analysis of Variance 2 - Calculating SSW and SSB (Total Sum of Squares Within and Between).avi
Lec 67 - ANOVA 3 -Hypothesis Test with F ...
ANOVA 3 -Hypothesis Test with F-Statistic Analysis of Variance 3 -Hypothesis Test with F-Statistic
Lec 68 - Correlation and Causality
Correlation and Causality Understanding why correlation does not imply causality (even though many in the press and some researchers often imply otherwise)
Statistics
Source of these courses is khan
Introduction to statistics. Will eventually cover all of the major topics in a first-year statistics course (not there yet!)
khan Website: http://www.dnatube.com/school/khan
