Cette leçon contient 11 diapositives, avec diapositives de texte.
La durée de la leçon est: 50 min
Éléments de cette leçon
Statistics
2. Organizing data
Slide 1 - Diapositive
Planning
- Review previous lesson
- Homework questions
- New Theory
- Activity
Slide 2 - Diapositive
Review
- Data
- Population Vs Sample
- The different types of data we need to know are:
Primary data – data collected from an original source
Secondary data – data collected from a secondary source
Qualitative data – non-numerical data
Quantitative data – numerical data
Slide 3 - Diapositive
Organizing Data
-Tallies and frequency tables.
Slide 4 - Diapositive
Tally and frequency table
A tally is a mark made to keep count of the number of values within the interval. These tally marks are often grouped together in fives
Slide 5 - Diapositive
Tally and frequency table
A tally is a mark made to keep count of the number of values within the interval. These tally marks are often grouped together in fives.
The frequency table shows how often the values within the interval occur
Slide 6 - Diapositive
How to draw a tally- frequency chart
Slide 7 - Diapositive
Example 2: Grouped data
Slide 8 - Diapositive
Example 2: Grouped data
Slide 9 - Diapositive
Example 2: Grouped data
Slide 10 - Diapositive
Now you try!
- Take the box of smarties (provided by Mrs. Verhaar)make a picture of all smarties on a paper with your name. Then make a tally-frequency table in your notebook and in Word (save the document).