MathsFreePrintable
Data Investigation Worksheet
A free maths worksheet ready for your classroom. Open in Kuraplan to grab the print-ready PDF, customize it for your students, or generate a fresh version in seconds.

Data Investigation Worksheet
📋 Part 1: Planning the Investigation
1. Which of the following is the best investigative statistical question for a Year 7 class?
What is the colour of every student’s school bag?
How many hours do students spend reading per week?
How tall is the tallest tree in the school grounds?
2. If the chosen question is "How many hours do students spend reading per week?", which item is the variable?
The class teacher
Hours spent reading per week
The classroom number
3. Check all ethical considerations you should follow when collecting data from classmates:
Make participation voluntary
Share each student’s exact answers publicly without permission
Keep individual responses private
Make sure questions are respectful
4. Write a clear investigative question you could collect data for in your school (include the variable and the group):
5. Match each term to its correct definition:
A. Mean
B. Median
C. Mode
D. Range
1. The middle value when data are ordered
2. The most frequent value in the dataset
3. The average found by adding values and dividing by the count
4. Difference between the largest and smallest values
✏️ Part 2: Calculate and Interpret
Below is a class dataset showing the number of hours each student spends reading per week:
Dataset (hours): 2, 4, 3, 5, 6, 3, 4, 2, 7, 5, 3
6. Calculate the mean (average) number of hours. Show your working:
7. Find the median. Show how you found the middle value:
8. Identify the mode(s). Explain why:
9. Calculate the range. Show your subtraction:
10. In one or two sentences, explain what the mean tells you about this class’s reading habits.
11. Suggest one improvement to the way this data could be collected next time to make the results more reliable (e.g. sample size, question clarity, timing). Explain briefly:
About This Worksheet
Free in Kuraplan
Sign up free, grab the PDF, and customize it for your class.
Print-Ready
Formatted for standard paper. Clean layout, easy to read.
AI-Generated
Created with Kuraplan's AI, designed for real classroom use.
For Teachers & Parents
Use in classrooms, for homework, tutoring, or homeschool.
Need a custom version of this worksheet?
Kuraplan's AI generates custom worksheets in seconds — differentiated for every learner, aligned to your curriculum.
Generate Custom Worksheets — Free No credit card Curriculum-aligned Under 60 seconds







