Principles of Biomedical Technology (Principles of Biomedical Science)
Mean and range calculation table
Mean and range calculation table
Unit 0: Course Launch: Safety & Lab FoundationsPBS LaunchBiotechnology Research and Experiments
Compute Descriptive Statistics Mean, Range
Summarize a small data set by computing mean and range and explaining what each tells you.
Builds on (2 levels back)inferred · high confidence
- Read a data table: Students need to find values, labels, and units before calculating or graphing.
- Fair-test logic: Variables and controls make comparisons meaningful.
Prerequisites are inferred: pending teacher review.
Re-learn the skill with worked practice and clear examples.
Summarize a small data set by computing mean and range and explaining what each tells you.
Step 1: Learn the key
Mean = [blank] divided by number of values. Range = highest value minus [blank] value.
| Trial values | 6, 8, 10, 12 |
|---|---|
| Sum | 36 |
| Mean | 36 / 4 = 9 |
| Range | 12 - 6 = 6 |
Step 2: Use the model
Read the figure, table, control, range, or protocol before choosing an answer.
Step 3: Name the limit
Say what the evidence can support and what it cannot prove yet.
Practice
Use the mean/range table for values 6, 8, 10, 12. Which pair is correct?
Reviewed| Trial values | 6, 8, 10, 12 |
|---|---|
| Sum | 36 |
| Mean | 36 / 4 = 9 |
| Range | 12 - 6 = 6 |
- A.Mean 9; range 6
- B.Mean 36; range 6
- C.Mean 9; range 12
- D.Mean 6; range 9
Show the worked solution ▾
Answer: A. Mean 9; range 6
- Step 1: Compute mean: 36 divided by 4 equals 9.
- Step 2: Compute range: 12 minus 6 equals 6.
Why it's right: Mean is 9 and range is 6.
Why the others miss:
- B: 36 is the sum, not mean.
- C: 12 is the highest value, not range.
- D: This swaps the values.
Aligned to Biotechnology Research and Experiments · reading level ~grade 9
Where you'd see this
- In Course Launch: Safety & Lab Foundations, this skill turns class evidence into a result another person can check.
Video library
Watch: Compute Descriptive Statistics Mean, Range
Math Antics - Mean, Median and Mode
mathantics
Guided notes
Fill these in as you work through the lesson.
Big idea: Summarize a small data set by computing mean and range and explaining what each tells you.
Key terms: write the meaning
- Mean (average; sum divided by count):
- Range (highest minus lowest):
- Outlier (value far from the rest):
- Data set (group of values):
The rule
Mean = divided by number of values. Range = highest value minus value.
Check yourself
- What is the sum of the values?
- What is the highest value?
- What is the lowest value?
Work one example
For 7, 9, 10, and 14, compute the mean and range.