Data Exercises

Exercises

Question 1

Which one of the following is discrete data?

A) She is 45.2 cm long.

B) She is 22.3 cm high.

C) She weighs 5.4 kg.

D) She has 30 teeth.

 

Question 2

Which one of the following is discrete data?

A) Sam is 160 cm tall

B) Sam has two brothers and one sister

C) Sam weighs 60 kg

D) Sam ran 100 meters in 10.2 seconds

Question 3 

Which one of the following is continuous data?

A) She has two eyes.

B) She has five kittens.

C) She weighs 5.4 kg.

D) She has four paws.

 

Data

Definition

Data is a collection of facts, such as numbers, words, measurements, observations or even just descriptions of things.

Qualitative vs Quantitative

Data can be qualitative or quantitative

1. Qualitative data is descriptive information (it describes something)
2. Quantitative data is numerical information (numbers)

 

Arithmetic and Geometric Progression Exercises

Exercises

Question 1

The first term of an arithmetic sequence is 4 and the tenth term is 67.
What is the common difference?

Question 2

 What is the thirty-second term of the arithmetic sequence -12, -7, -2, 3, ... ?

Question 3 

 What is the fiftieth term of the arithmetic sequence 3, 7, 11, 15, ... ?

Arithmetic and Geometric Progression

FORMULA