7.1 Dispersion - Ogive Lesson Slides: 6 Slides

6 Slides • 7 Questions

1

7.1 Dispersion - Ogive

KSSM Form 5 Mathematics

2

Open Ended

What this shape looks like? (Try to be as imaginative and creative as possible)

Type response here

3

Multiple Choice

How to pronounce "ogive"?

1

Ejaan: o-gif

2

Ejaan: o-jif

3

Ejaan: o-jaif

4

Ejaan: o-gi-ve

4

What is Ogive?

A type of frequency polygon that shows cumulative frequency.
It produces S-shaped curve when the cumulative frequencies of a data are plotted and connected.
A very useful tool to determine the median, quartiles and percentiles for grouped data.

5

What is Ogive?

y-axis: Cumulative Frequency

x-axis: Upper Boundary

Cu-Up

6

Multiple Choice

Determine the median of the masses of pineapples. (Teks book: pg211)

1

40

2

50

3

699.5

4

729.5

7

Median & Quartiles

8

Median & Quartiles

9

Median & Quartiles

10

Multiple Choice

The arrows show the positions and values of $Q_1,\ Q_{2\ }and\ Q_3\$ and $Q_3=284.5$ , can you guess what is the value of 10th percentile, $P_{10}$ ? (Text book: pg 211)

1

$P_{10}=149.5$

2

$P_{10}=159.5$

3

$P_{10}=164.5$

4

$P_{10}=174.5$

11

Fill in the Blanks

What is the exact value of median? (Text book: pg209)

Type answer...

12

Fill in the Blanks

What is the exact value of $P_{20}$ ? (Text book: pg 209)

Type answer...

13

Multiple Select

Which of the following are correct? You need choose all the correct options. (Text book: pg 211)

1

$P_5=469.5$

2

$P_{30}=669.5$

3

$P_{55}=789.5$

4

$P_{90}=899.5$

7.1 Dispersion - Ogive

KSSM Form 5 Mathematics

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