In 2, 3, 3, 8, the most frequent value is…
4
8
2
3
Trivia for Kids 8–14 · Mixed
Data That Can Fool You
Ten fresh questions for ages 8–14 exploring data that can fool you. Mixed difficulty with explanations and host verification notes in the import file.
A bar chart with equal categories should normally use bars of equal…
Numerical value
Width
Colour necessarily
Height
Scores 4, 5, 6 have a mean of…
4
15
5
6
Which middle value represents the median of 2, 4, 9, 12, 20?
9
20
4
12
A shop graph starts its vertical scale at 95. What may it exaggerate?
All values becoming negative
The number of categories
The calendar's length
Small differences near 100
Why can one huge value distort the mean more than the median?
The mean counts only the largest
The median is always zero
The mean uses every value's size
The median ignores ordering
True or false: A pie chart is suitable for showing parts of one whole.
True
False
A survey allows several favourite sports per child. Percentages may…
Total more than 100%
Never exceed 50%
Always total exactly 100%
Have to be whole tens
Two classes average 80, but one has twice as many pupils. Their combined average is…
120
80
160
40
A scatter plot rises from left to right. This suggests…
Identical values everywhere
Proof of direct causation
Positive association
No relationship possible