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Introduction to statistics. Will eventually cover all of the major topics in a first-year statistics course (not there yet!)

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! We are constantly creating hypotheses, making predictions, testing, and analyzing. Our lives are full of probabilities! Statistics is related to probability because much of the data we use when determining probable outcomes comes from our understanding of statistics. In these tutorials, we will cover a range of topics, some which include: independent events, dependent probability, combinatorics, hypothesis testing, descriptive statistics, random variables, probability distributions, regression, and inferential statistics. So buckle up and hop on for a wild ride. We bet you're going to be challenged AND love it!

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

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Lessons

Introduction to descriptive statistics and central tendency. Ways to measure the average of a set: median, mean, mode
700 views

The difference between the mean of a sample and the mean of a population.
626 views

Using the variance of a sample to estimate the variance of a population
545 views

Review of what we've learned. Introduction to the standard deviation. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
608 views

(Long-26 minutes) Presentation on spreadsheet to show that the normal distribution approximates the binomial distribution for a large number of trials.
611 views

Discussion of how "normal" a distribution might be Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
703 views

Z-score practice Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
703 views

Using the empirical rule (or 68-95-99.7 rule) to estimate probabilities for normal distributions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
618 views

Using the Empirical Rule with a standard normal distribution Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
587 views

Using the Empirical Rule with a standard normal distribution Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
573 views

Introduction to the central limit theorem and the sampling distribution of the mean
527 views

The central limit theorem and the sampling distribution of the sample mean
521 views

More on the Central Limit Theorem and the Sampling Distribution of the Sample Mean
641 views

Standard Error of the Mean (a.k.a. the standard deviation of the sampling distribution of the sample mean!)
655 views

Figuring out the probability of running out of water on a camping trip
507 views

Finding the 95% confidence interval for the proportion of a population voting for a candidate.
527 views

Finding the 95% confidence interval for the proportion of a population voting for a candidate.
589 views

Constructing small sample size confidence intervals using t-distributions
590 views

Clarification of Confidence Interval of Difference of Means
550 views

Introduction to the idea that one can find a line that minimizes the squared distances to the points
573 views

Proof (Part 1) Minimizing Squared Error to Regression Line
687 views

Proof (Part 3) Minimizing Squared Error to Regression Line
578 views

Proof (Part 4) Minimizing Squared Error to Regression Line
662 views

Calculating R-Squared to see how well a regression line fits data
608 views

Analysis of Variance 2 - Calculating SSW and SSB (Total Sum of Squares Within and Between).avi
731 views

Understanding why correlation does not imply causality (even though many in the press and some researchers often imply otherwise)
589 views
 

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