STATISTICS

Objectives 

1. To identify data

2. To learn and identify Qualitative and Quantitative

3. To learn and identify Discrete and Continuous 

DATA

What is Data?
Data is a raw facts or in another word is information.

Data can be collected in any ways.

QUALITATIVE AND QUANTITATIVE

Qualitative is non- numerical data

example : Name of a person who plays guitar 

Quantitative is numerical data 

example : number of the guitar that person used

LETS TAKE SOME EXAMPLES...

Example 1 

The total of tennis ball in a bag 

Answer - Quantitative

Example 2 

The brand of shirts in a shop 

Answer - Qualitative 

Example 3 

The number of houses in a village 

Answer - Quantitative 

Example 4 

The types of houses in a village

Answer - Qualitative 

DISCRETE AND CONTINUOUS 

What is meant by Discrete? 

Discrete is a type of data in which can be counted. The exact amount is the result. 

What is meant by Continuous? 

Continuous is a type of data in which the data can results can be measured like length, width, time, speed and mass. The exact amount cannot be measured exactly.

How to differentiate between Discrete and Continuous? 

Discrete - The total number of cars

Continuous - The speed of the cars 

LETS TAKE SOME EXAMPLES...

Example 1 :

The number of guitars that produced in a factory

Answer - Discrete 

Example 2 : 

The height of the athletes who participates in 400 meters run 

Answer - Continuous 

Example 3 :

The number of laptops in a laboratory 

Answer - Discrete 

Example 4 :

The speed of shuttle cock who smashed by Dato' Lee Chong Wei 

Answer - Continuous 

Lets take an exercise...

Exercise 1 :

Which one of the following is quantitative data?

A) She is black and white

B) She has two ears 

C) She has long hair 

D) She has long tail