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Sequência didática matemática

Paula Rodrigues

Created on October 10, 2024

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Transcript

Mathematics & Physical Education

Hand in Hand

Start

Basketball Statistics

Escola Secundária do Restelo

Learning situation // Context

Statistical Variable

Yes

No

A statistical variable is a characteristic that admits different values (either a number or a modality).They are classified as follows :

Qualitative

Quantitative

Discrete

Ordinal

Contínuous

Nominal

Learning situation // Context

Definition of mean

The arithmetic mean, or simply mean, defines itself the quotient of the sum of all observed values by the total number of these values. Since the statistical variable under study is represented by X, the average is usually represented as follows:

tips

Learning situation // Context

Definition of Relative Frequency/Probability

Absolute frequency is the number of times a piece of data is observed . The sum of all absolute frequencies equals the total number of data. The relative frequency is calculatedby dividing the absolute frequency by the total number of observed data.

The sum of all relative frequencies is equal to 1 or 100%

Intro

Watch the following video carefully

A student from class 9th X made 10 drills from various throwing lines on a Basketball court.

Let´s Test

Good job!!

Learn more

End

Example of Mean

Ricardo took part in a contest and won a gaming console.

He made some research in a store and got the prices that follow, in Euros

What's the average of prices, in Euros?