charts

Question 1

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whats a tally chart for

Answer 1

to collect data in tally marks

Question 2

whats a frequency tavle for

Answer 2

to show how many times each value occurs

Question 3

whats a bar chart used for

Answer 3

dicrete or caterogical data

Question 4

what does a pictogram use

Answer 4

uses symbols/pictures

Question 5

whats a two way table used to display

Answer 5

to display data with two values

Question 6

whats the formula for a pie chart

Answer 6

frequency/Total freuquency) × 360°

Question 7

whats a stem leaf for

Answer 7

to organise numerical data

Question 8

whats the advanatages of grouping data

Answer 8

-similar to understand
-easier to spot patterns and trends
-allows data to be displayed clearly

Question 9

whats the disadvantages of grouping data

Answer 9

-exact values are lost
-less accurate
-only estimate