Standard 3.17: PROBABILITY AND STATISTICS
Data: A collection of information.
Survey: The collection of Data information by asking people the same question.
Tally Mark:To keep a record of a count, commonly by making a mark for each item as it is counted
Tally Chart: A table to keep track of a tally, typically showing how many times each value appears ina set of data.
What is a Pictograph?
How Do You Make a Pictorgraph?
What's a Key?
The key for a pictograph tells the number that each picture or symbol represents.