Summarizing Data with a Single Number
I can explain that a measure of center summarizes the data with one number, and a measure of spread describes its variation.
📘 Word Bank + Sentence Frames
measure of centermeasure of spreadmean / medianrange
- Center (mean or median) = one number that summarizes the data.
- Spread (range) = how much the data varies.
👀 See It
Data 4, 6, 8: center (mean) = 6 summarizes it; spread (range) = 8 − 4 = 4 shows the variation.
✏️ Your Turn
0 of 3 checks complete
1. The mean is a measure of…
2. The range is a measure of…
3. "One number that summarizes the whole set" is a measure of…
💬 Explain Your Thinking
Explain the difference between center and spread:
"A measure of center, like blank, tells blank. A measure of spread, like blank, tells blank."