Sophia Learning
Sophia: Expected Value: Lesson 1
This lesson will explain expected value. It is 1 of 3 in the series titled "Expected Value." [6:12]
Khan Academy
Khan Academy: Bernoulli Distributions and Margin of Error: Margin of Error 1
Video example of calculating the mean, variance and standard deviation of a sample of a Bernoulli distribution. Finding the 95% confidence interval for the proportion of a population voting for a candidate.
Khan Academy
Khan Academy: Bernoulli Distributions and Margin of Error: Margin of Error 2
This video shows how to create a confidence interval for the population mean from a sample taken from a Bernoulli distribution. Finding the 95% confidence interval for the proportion of a population voting for a candidate.
Khan Academy
Khan Academy: Normal Distribution: Normal Distribution Excel Exercise
Video discusses the importance of the normal distribution. The formula for the normal distribution is given and explained. A url is given where an excel spreadsheet can be downloaded which is shown and used to compare the binomial...
Khan Academy
Khan Academy: Lebron Asks: Monte Carlo Simulation to Answer Lebron's Question
When down 3 with 30 seconds left, is it better to take a hard 3 or an easy 2 and try to get another possession? This video discusses the answer to that question by looking at probabilities. [8:10]
Khan Academy
Khan Academy: Binomial Distribution 4
Visualize the basketball binomial distribution. Excel is used to calculate probabilities and graph the distribution.
Khan Academy
Khan Academy: Determining Sample Size Based on Confidence and Margin of Error
Determining sample size based on confidence level and margin of error.
Khan Academy
Khan Academy: Simulation Showing Value of T Statistic
See why we use t statistics when building confidence intervals for a mean using the sample standard deviation in place of the population standard deviation.
Khan Academy
Khan Academy: Generalizing K Scores in N Attempts
Sal generalizes 2 scores in 6 attempts to k scores in n attempts.
Sophia Learning
Sophia: Z Score Charts
This lesson shows how charts can be used to determine and list Z-scores.
Sophia Learning
Sophia: Z Score Charts
This lesson shows how charts can be used to determine and list Z-scores.
Sophia Learning
Sophia: Z Score Charts
This lesson shows how charts can be used to determine and list Z-scores.
Sophia Learning
Sophia: Z Score Charts
This lesson shows how charts can be used to determine and list Z-scores.
Sophia Learning
Sophia: Z Scores
In this lesson, students are introduced to Z-scores and their relevance to variance and distribution in data sets.
Sophia Learning
Sophia: Z Scores
In this lesson, students are introduced to Z-scores and their relevance to variance and distribution in data sets.
Sophia Learning
Sophia: Z Test for Population Means
Calculate z-statistic of a population mean. [9:44]