Math · Age 11 · Data & Statistics
Multi-step Data Questions (Ex. 1)
Use data to answer multi-step questions and justify conclusions with evidence.
Module
Data & Statistics
Age
Age 11
Duration
10 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
Class A (30 students) has mean score 72. Class B (20 students) has mean 68. What is the combined mean?
Question 2
Multiple choice
A data set has mean 15 and 5 values. A new value of 25 is added. What is the new mean?
Question 3
Multiple choice
A survey shows 40% of 250 students prefer art. How many students prefer art?
Question 4
Sequence
Mean of 5 values is 10. Total = ____. Add value 18: new total = 68. New mean = 68÷6 ≈ 11.3.
Question 5
True or false
Adding a value greater than the mean will always increase the mean.