Solving Problems Using Measures of Central Tendency
Solving Problems Using Measures of Central Tendency is a Grade 7-8 statistics skill that teaches students to select and apply mean, median, and mode to analyze data sets and answer real-world questions. Students learn which measure best represents the data depending on the distribution and context.
Key Concepts
New Concept To summarize data, we often report an average of some kind, like the mean , median , or mode . What’s next Next, we'll dive into worked examples showing how to calculate each measure and choose the best one to describe a set of data.
Common Questions
What are measures of central tendency?
Measures of central tendency are mean (average), median (middle value), and mode (most frequent value). They summarize a data set with a single representative number.
When should you use the median instead of the mean?
Use the median when the data has outliers or is skewed, as the median is not affected by extreme values.
When should you use the mode?
Use the mode for categorical data or when you want to know the most commonly occurring value, such as the most popular shoe size.
How do you find the mean of a data set?
Add all the values together, then divide by the number of values.
What grade level covers measures of central tendency?
Measures of central tendency are taught in Grade 6 through Grade 8 math and statistics.