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WorksheetsStatistics Quiz
Total questions: 10
Worksheet time: 5mins
What is the branch of statistics that organizes and presents data without inferring beyond the data?
Inferential Statistics
Descriptive Statistics
Analytical Statistics
Predictive Statistics
What is the symbol used to indicate summation in statistics?
x̄ (X Bar)
N (Population Size)
μ (Mu)
Σ (Sigma)
What is the mean of the following test scores: 92, 84, 65, 76, 88, 90?
78.5
80.0
85.5
82.5
In a ranked list of numbers, how is the median determined if the number of entries is even?
It is the mean of the two middle numbers.
It is the middle number.
It is the highest number.
It is the lowest number.
What is the mode of the following list: 18, 15, 21, 16, 15, 14, 15, 21?
18
16
15
21
What does the term 'population' refer to in statistics?
A small group of data
The entire group under consideration
A sample of data
The average of a dataset
What is the median of the following numbers: 4, 8, 1, 14, 9, 21, 12?
8
14
9
12
What is the mean height of the runners given their heights: 160 cm, 137 cm, 149 cm, 153 cm, 161 cm?
155 cm
152 cm
150 cm
158 cm
If no number occurs more than once in a dataset, what is the mode?
The highest number
The average of the numbers
The lowest number
There is no mode
What is the purpose of inferential statistics?
To describe data
To make predictions about a population
To collect data
To organize data
