CK-12 Foundation
Variance of a Data Set
Use variable value sliders to understand variance. The interactive shows four whole numbers, their mean and deviation. Using the information, pupils find the variance of the numbers and respond to question related to the understanding of...
EngageNY
The Mean Absolute Deviation (MAD)
Is there a way to measure variability? The ninth resource in a series of 22 introduces mean absolute deviation, a measure of variability. Pupils learn how to determine the measure based upon its name, then they use the mean...
Curated OER
Fire!, Probability, and Chaos
Upper elementary and middle schoolers work with the concept of probability. They are introduced to the concept of chaos. Learners graph and analyze using a line plot, work with mean, and are introduced to the concept of variance.
Curated OER
Variance and Covariance: How much to do baseball players really make?
Is baseball really the road to riches? Here, statisticians look at salary data from baseball players and use variance to measure the spread of the data to more accurately answer that question. Note: The salary data provided is from 1994,...
Virginia Department of Education
Calculating Measures of Dispersion
Double the fun — calculate two measures of deviation. The lesson plan provides information to lead the class through the process of calculating the mean absolute deviation and the standard deviation of a data set. After learning how to...
Curated OER
Mean, Standarad Deviations, and Variances
In this Statistics activity, 11th graders compute the mean, standard deviation and variances for four different problem scenarios. The one page activity contains four scenarios, each with eight questions. Answers are...
Curated OER
Mean, Variance, and Standard Deviation for the Binomial Distribution
Students review previous lessons on mean, variance, standard deviation, and expected value. They utlize formulas for these characteristics that are specifically designed for the binomial distribution. Students discuss the similarities...
Curated OER
Why Divide by N-1?
Students identify the mean and variance. In this statistics lesson, students calculate the population variance using the N as a divisor. They draw the relationship of dividing by N and N-1.
Shodor Education Foundation
Measures
Take a look at data from a statistical lens. An interactive allows pupils to enter data set, labeling the data including the units used. Manipulating the applet, learners select the statistics to calculate that include total, mean,...
Curated OER
The Statistics of Shoes
Students open a blank spreadsheet and format it for a class survey about the number of shoes owned by the men and women in the class. They enter the data before finding the mean, median, mode, quartiles, variance, and the standard...
Virginia Department of Education
Analyzing and Interpreting Statistics
Use measures of variance to compare and analyze data sets. Pupils match histograms of data sets to their respective statistical measures. They then use calculated statistics to further analyze groups of data and use the results to make...
College Board
Three Calculator Simulation Activities
Calculators sure come in handy. An AP® Statistics instructional resource provides suggestions for using calculator simulations. It gives activities for adding variances, normal probability plots, and t distributions.
American Psychological Association
Statistical Significance
Our survey says ...! High school psychology scholars analyze how people create surveys. Three different scenarios help them discover the meaning behind statistical significance. Armed with new knowledge, novice psychologists uncover what...
Curated OER
Binomial Distribution
Learners explore the concept of binomial distribution. In this binomial distribution lesson, students perform binomial distributions on a number of problems in this lecture lesson. Learners find the mean and variance of binomial...
Radford University
Data Analysis Activity
What do classmates think? In groups, learners design surveys to investigate chosen topics. They conduct the survey, then analyze the results. As part of the activity, they must calculate the mean, median, mode, variance, and standard...
Radford University
The Normal Distribution Activity
For whom does the bell fit? Pupils begin by working in groups gather data on three different variables. They then determine the mean and standard deviation of each data set and create bell curves. To finish, they answer guiding questions...
Curated OER
A RealSim Surface Look at Descriptive Statistics
Learners explore the concepts of mean and variance. They observe properties of materials to their basic atomic or molecular structure. Students use spreadsheet software to record, tabulate and analyze collected information.
Curated OER
Geometry Review
In this math review worksheet, students calculate the mean, median, mode, range, line segments, angles, and standard deviation for number and word problems. Students complete 11 problems.
Curated OER
Midterm 1 Exam: Statistics
For this statistics worksheet, students determine the mean, variance, standard deviation and median of given statistical data. They organize data, create box-and-whisker plots and identify outliers. This nine-page worksheet contains 7...
Curated OER
Fire!, Probability, and Chaos
Students explore the concept of probability. In this probability lesson, students simulate a controlled forest burn using an applet. Students vary the probability of trees burning and predict what will happen.
Curated OER
Quiz: Central Tendency and Dispersion
In this central tendency and dispersion learning exercise, students find the mean, median and mode of a set of numbers. The set of numbers is not included on this learning exercise. They complete a frequency distribution and find the...
Curated OER
The Fall of the Ruler
Students determine their reaction time using a ruler. In this Physics lesson, students calculate the class' means and variances. They plot the graph and analyze if there are outliers.
Curated OER
Two-factor ANOVA
In this statistics and probability activity, students analyze the variance (ANOVA) to determine if two or more samples have the same "mean" or average. The one page activity contains three problems. Answers are provided.
Howard Hughes Medical Institute
Spreadsheet Tutorial 4: t-Test
The t-test tutorial will fit your needs to a T. After calculating the mean, sum of squares, standard deviation, and variance of two data sets on a spreadsheet, scholars learn to calculate the t-values. They then learn to use the TTEST...