2. Organizing data


Statistics
2. Organizing data
1 / 11
suivant
Slide 1: Diapositive
WiskundeMiddelbare schoolvwoLeerjaar 1

Cette leçon contient 11 diapositives, avec diapositives de texte.

time-iconLa 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).

- Practice exercise / page 32/ MYP 2 book

Slide 11 - Diapositive