Idea 22of 22Builds onTest an idea with data
Make a decision with data
How do you make a choice that others will agree with?
Today you'll discover
- which numbers a decision needs
- how to argue with numbers
- how to spot a weak reason
Think firstPizza day for Rooms 12 and 14
The cook can make extra of only one pizza. Which should it be, and why?
Decide first, then press Next. Find the numbers that fit the decision.
A stacked-bar graph of pizza votes, each bar split into Room 12 below and Room 14 on top: Cheese 9 and 7, Pepperoni 8 and 11, Veggie 6 and 4. The totals 16, 19 and 10 are printed above the bars. The last step shows a pictograph of library books borrowed, Monday to Thursday, with Wednesday's row ringed.
See the whole ideathe big idea and the key word, in one place
The big idea
An informed decision uses the data as evidence, and a convincing argument names the numbers.
Argue with dataI choose ___ because the data shows ___ (a number), which is more than ___ (another number).
Easy to get wrongCheck that the data fits the decision: one room's votes can't decide for two rooms.
Key words
- informed decision
- a choice made by looking carefully at the data first
- evidence
- the numbers from the data that back up what you say
Ready to use it?
- Make a decision from a graph.
- Back it up with the numbers.