Frequency Tables
What does a frequency table show?
How often something happens
Favorite pizza topping
Qualitative
Which graph uses pictures to show data?
Pictograph
What does it mean to collect data?
To gather information
If “hockey” has a frequency of 6, what does that mean?
6 people picked hockey
Number of pets
Quantitative
Which graph uses bars to compare amounts?
Bar graph
Name one way we can collect data.
Frequency table, survey
Why do we use a frequency table before making a graph?
To organize the data
Eye Colour
Qualitative
Which graph compares two sets of data on one graph?
Double bar graph
Why is it important to ask the same question to everyone when collecting data?
So the data is fair and accurate
If 12 students were surveyed, what should the frequencies add up to?
12
What is qualitative data?
Categories or types
Which graph would best show favorite holiday treats?
Bar graph or Pictograph
Which question gives better data & WHY:
A) Do you like holidays?
B) What is your favorite holiday?
B - it gives clearer information
What could be wrong if the total in a frequency table doesn’t match the number surveyed?
The data was counted wrong, or someone was missed
What is quantitative data?
How many or how much and can be counted or measured
Which graph would best compare boys’ and girls’ favorite sports?
Double bar graph
A class wants to find out what game to buy for recess.
What data should they collect, and how could they collect it?
Favorite games; by using a frequency table, survey or tally