Question

A local government wants to assess the number of the rich, middle class, and poor people
living in a particular region. To understand this, the government defined the categories based
on the annual income of its citizens [Table 1.1.A]. Income is measured in lakhs of rupees per
year
Poor : income ≤ 4 lakhs
Middle Class : 4 lakhs 8 lakhs
Person Income
Person 1 Rich
Person 2 Poor
Person 3 Poor
Person 4 Middle class
Person 5 Middle class
Person 6 Rich
Person 7 Middle class
Person 8 Poor
Person 9 Middle class
Person 10 Middle class
Table 1.1.A: Income dataset
1. What kind of a variable is income in the given dataset? [1 mark]
(a) Categorical
(b) Discrete numerical variable
(c) Continuous numerical variable
2. What is the scale of measurement of the variable income in the given dataset? [1 mark]
(a) Nominal
(b) Interval
(c) Ordinal
(d) Ratio

Answer 1

Given : Poor : income ≤ 4 lakhs

Middle Class : 4 lakhs < income ≤ 8 lakhs

Rich : income > 8 lakhs​

To Find  : 1. What kind of a variable is income in the given dataset? [1 mark]

(a) Categorical

(b) Discrete numerical variable

(c) Continuous numerical variable

2. What is the scale of measurement of the variable income in the given dataset?  

(a) Nominal

(b) Interval

(c) Ordinal

(d) Ratio

Step-by-step explanation:

variable  income in the given dataset  is :

Categorical  

as There are three categories

income ≤ 4 lakhs  

4 lakhs < income ≤ 8 lakhs

income > 8 lakhs​

scale of measurement of the variable income in the given dataset

Nominal

as unordered grouped data

Rich , Middle class , poor

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