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6.1 categorizing and displaying data/measures of central tendencies
Good morning!
Schedule:
Introduction
Learning goals
Representing sets of data
Homework
Practice
1 / 25
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Slide 1:
Slide
Wiskunde
Middelbare school
vwo
Leerjaar 3
This lesson contains
25 slides
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interactive quizzes
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Items in this lesson
Good morning!
Schedule:
Introduction
Learning goals
Representing sets of data
Homework
Practice
Slide 1 - Slide
Learning goals
At the end of this lessons I can:
Sort data in qualitative or quantitative data
Sort quantitative data in discreet or continuous data
Draw and read a stem-and-leaf diagram
Calculate the measures of central tendency of any data
Slide 2 - Slide
Statistics
Slide 3 - Mind map
Representing sets of data
Qualitive data:
data describing a certain characteristic
Quantative data:
data with a numerical value
Discrete data Continuous data
Slide 4 - Slide
Representing sets of data
Qualitive data:
data describing a certain characteristic
ex: color of each car passing by
Quantative data:
data with a numerical value
Discrete data Continuous data
Slide 5 - Slide
Write on one side of the whiteboard "qualitative" and on the other side "quantitative" .
Slide 6 - Slide
Qualitative
Quantitative
Discrete
Continuous
1
2
3
4
5
6
7
8
9
10
Slide 7 - Slide
Qualitative
Quantitative
Discrete
Continuous
1
x
x
2
x
x
3
x
-
-
4
x
x
5
x
x
6
x
x
7
x
x
8
x
x
9
x
x
10
x
-
-
Slide 8 - Slide
Stem-and-leaf diagram
Slide 9 - Slide
Stem-and-leaf diagram
Slide 10 - Slide
Stem and leaf worksheet
Slide 11 - Slide
Measures of central tendency
Mode:
The value that occurs most often
Median:
The middle value (when the data is put in order)
Mean:
The average for the dataset
Slide 12 - Slide
Measures of central tendency
Median:
The middle value (when the data is put in order)
n = amount of values
When
n = odd
2
(
n
+
1
)
Median = th value
n = 19
Slide 13 - Slide
Measures of central tendency
Median:
The middle value (when the data is put in order)
n = amount of values
When
n = even
:
Median = th value
Take average of the middle values
2
(
n
+
1
)
n = 30
Slide 14 - Slide
Mode =
Median =
Range =
Key: 6|4 represents a score of 64
90
74
86
84
58
44
Slide 15 - Drag question
Take out your diaries
Homework for Tuesday 7-2-2023:
Practice 2 on p.308-309: #3,4
Practice 3 on p. 310-311: ALL
Slide 16 - Slide
How do you feel about this subject?
Green
I would like a challenge
Orange
I would like to have some more practice
Red
I would like to have some more practice and some more help
Slide 17 - Slide
Slide 18 - Video
Slide 19 - Slide
Slide 20 - Slide
Slide 21 - Slide
Slide 22 - Slide
Slide 23 - Slide
Slide 24 - Slide
Measures of dispersion
Range:
The difference between the largest and smallest value
Slide 25 - Slide
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