Aussies' fluoride smile is best
- The use of "average" and "two-fifths"
in the first paragraph to describe children with one or no decayed
teeth is a bit unusual. What percentage or fraction do you think
would represent the "average group"?
- Sketch what a pie chart might look like if it were representing
the percentage of children with no decayed teeth, one, and more
- Write a conditional probability statement which expresses
the relationship of tooth decay and fluoridated water as Pr(A|B)
= n x Pr(A|C).
Carefully define A, B and C.
Where to next?
Index - Related
Index - Data
Collection and Sampling
- Numeracy in the News