Sophia: Sample Statistics and Population Parameters: Lesson 2

Don't leave your classes vulnerable in their calculations! Help them understand the importance of calculating a margin of error to represent the variability in their sample mean. 

Manufacturers' claims may or may not be accurate, so proceed with caution. Here pupils use statistics to investigate the M&M's company's claim about the percentage of each color of candy in their packaging. Through the activity,...

Error does not mean something went wrong! Learners complete a problem from beginning to end using concepts developed throughout the last five lessons. They begin with a set of data, determine a population proportion, analyze their result...

This lesson will explain the distinction between sample statistics and population parameters, with a review of sampling distributions. It is 3 of 4 in the series titled "Sample Statistics and Population Parameters."

This lesson will explain the distinction between sample statistics and population parameters, with a review of sampling distributions. It is 4 of 4 in the series titled "Sample Statistics and Population Parameters."

Transmit to your class what an unbiased sample is with this video. The video goes into detail about what an unbiased sample looks like, providing examples and listing several different types of random sampling. This could be used when...

Transmit to your class what an unbiased sample is with this video. The video goes into detail about what an unbiased sample looks like, providing examples and listing several different types of random sampling. This could be used when...

Using a 2002 California Gray David recall vote as an example, young statisticians  identify sources of bias in samples and find ways of reducing and eliminating sampling bias. They consider ways to select random samples from a...

The process for converting a number raised to a power within a root symbol to a number raised to a fraction exponent is demonstrated in this video. This lesson [1:51] is 2 of 15 in the series titled "Converting to Fractional Exponent Form."

Students use Reese's Pieces to investigate the proportion of orange candies present in a set of 25. After collecting data for the class, they use a web applet to collect more data for random samples. This is compared to the actual...