collecting data. look at the chart on the following page. where did the numbers in the frequency...
TRANSCRIPT
FREQUENCY:Collecting Data
LOOK AT THE CHART ON THE FOLLOWING PAGE. WHERE DID THE NUMBERS IN THE FREQUENCY CHART COME FROM?
FREQUENCY
SURVEY SHEET
FREQUENCY
COLOUR TALLY FREQUENCY
BLUE IIIII III 8
GREEN IIIII IIIII IIIII II 17
WHITE IIIII IIIII I 11
RED IIIII IIIII IIIII IIIII 20
BLACK IIIII IIII 9
Jenny Eather’s Math Dictionary has a great definition. Let’s visit her website!
http://www.amathsdictionaryforkids.com/dictionary.html
FREQUENCY:A DEFINITION
The chart shows data Sandra collected. Sandra conducted the bicycle survey in her
school. She used a survey sheet to collect the data. Sandra used tally marks to record the number of students who gave each colour as their favourite.
THE NUMBER FROM THE FREQUENCY COLUMN…
1. Which colour was the most popular? 2. Which colour was the least popular? 3. How many students did Sandra survey?
LET’S GO BACK TO THE CHART
Complete “Problems and Applications” on page 303 of Math Power 7
FOR HOMEWORK