Question 1
1.1 Read the scenario below and answer the questions that follow:
Mrs Mbeki conducted a survey to find out how many coins the learners in Grade 5 at
IMMACULATE CONVENT school had on them (in their pockets or purses). Mrs Mbeki
randomly surveyed 40 Grade 5 learners at IMMACULATE CONVENT school. She obtained
the following data:
4 6 3 6 7 2 3 3 2 0
0 5 5 4 8 2 0 0 2 1
0 0 0 4 3 5 0 2 3 6
0 5 5 4 8 2 0 0 2 1
1.1.1 What is the random variable of interest in this scenario?
in this scenario the number of coins that a Grade 5 learner at Immaculate Convent School has
in their pockets or purses.
1.1.2 What is the population of interest in this scenario?
In this scenario its all Grade 5 learners at Immaculate Convent School.
1.1.3 What is the sample of interest in this scenario?
The 40 Grade 5 learners at Immaculate Convent School who were randomly surveyed by Mrs.
Mbeki.
1.1.4 Explain the nature of data that was collected in this scenario.
It is quantitative data because it represents a numerical count (the number of coins).
It is categorical data when classified as "number of coins," but since the data is numerical, it is
considered numeric data.
1.1 Read the scenario below and answer the questions that follow:
Mrs Mbeki conducted a survey to find out how many coins the learners in Grade 5 at
IMMACULATE CONVENT school had on them (in their pockets or purses). Mrs Mbeki
randomly surveyed 40 Grade 5 learners at IMMACULATE CONVENT school. She obtained
the following data:
4 6 3 6 7 2 3 3 2 0
0 5 5 4 8 2 0 0 2 1
0 0 0 4 3 5 0 2 3 6
0 5 5 4 8 2 0 0 2 1
1.1.1 What is the random variable of interest in this scenario?
in this scenario the number of coins that a Grade 5 learner at Immaculate Convent School has
in their pockets or purses.
1.1.2 What is the population of interest in this scenario?
In this scenario its all Grade 5 learners at Immaculate Convent School.
1.1.3 What is the sample of interest in this scenario?
The 40 Grade 5 learners at Immaculate Convent School who were randomly surveyed by Mrs.
Mbeki.
1.1.4 Explain the nature of data that was collected in this scenario.
It is quantitative data because it represents a numerical count (the number of coins).
It is categorical data when classified as "number of coins," but since the data is numerical, it is
considered numeric data.
