Here are 50 multiple-choice questions (MCQs) based on the content of the document:
Introduction to Statistics
1. What is the primary purpose of statistics?
• A) To collect and compile numbers
• B) To make better decisions using numerical data
• C) To randomly analyze figures
• D) To predict the future with certainty
• Answer: B) To make better decisions using
numerical data
2. Which of the following is NOT a function of statistics?
• A) Description
• B) Prediction
• C) Random guessing
• D) Relationship studies
• Answer: C) Random guessing
3. In statistics, which term describes a summary measure computed
from a sample?
• A) Parameter
• B) Statistic
• C) Population
• D) Distribution
• Answer: B) Statistic
4. Which of the following is a measure of central tendency?
• A) Variance
• B) Standard deviation
• C) Mean
• D) Range
• Answer: C) Mean
Frequency Distribution and Data Measurement
5. A qualitative variable:
• A) Has numerical values
• B) Can only be described, not measured
• C) Is always discrete
• D) Cannot be classified
• Answer: B) Can only be described, not
measured
, 6. The scale of measurement that only provides labels without any
numerical meaning is:
• A) Nominal
• B) Ordinal
• C) Interval
• D) Ratio
• Answer: A) Nominal
7. Which of the following data visualization methods is NOT suitable for
categorical data?
• A) Pie chart
• B) Bar chart
• C) Histogram
• D) Component bar chart
• Answer: C) Histogram
8. The measure that divides a dataset into four equal parts is called:
• A) Quartiles
• B) Percentiles
• C) Deciles
• D) Median
• Answer: A) Quartiles
Measures of Dispersion
9. Which of the following is NOT a measure of dispersion?
• A) Range
• B) Mean
• C) Standard deviation
• D) Variance
• Answer: B) Mean
10. The difference between the highest and lowest values in a
dataset is known as:
• A) Mean
• B) Range
• C) Median
• D) Mode
• Answer: B) Range
11. The square root of variance is:
Introduction to Statistics
1. What is the primary purpose of statistics?
• A) To collect and compile numbers
• B) To make better decisions using numerical data
• C) To randomly analyze figures
• D) To predict the future with certainty
• Answer: B) To make better decisions using
numerical data
2. Which of the following is NOT a function of statistics?
• A) Description
• B) Prediction
• C) Random guessing
• D) Relationship studies
• Answer: C) Random guessing
3. In statistics, which term describes a summary measure computed
from a sample?
• A) Parameter
• B) Statistic
• C) Population
• D) Distribution
• Answer: B) Statistic
4. Which of the following is a measure of central tendency?
• A) Variance
• B) Standard deviation
• C) Mean
• D) Range
• Answer: C) Mean
Frequency Distribution and Data Measurement
5. A qualitative variable:
• A) Has numerical values
• B) Can only be described, not measured
• C) Is always discrete
• D) Cannot be classified
• Answer: B) Can only be described, not
measured
, 6. The scale of measurement that only provides labels without any
numerical meaning is:
• A) Nominal
• B) Ordinal
• C) Interval
• D) Ratio
• Answer: A) Nominal
7. Which of the following data visualization methods is NOT suitable for
categorical data?
• A) Pie chart
• B) Bar chart
• C) Histogram
• D) Component bar chart
• Answer: C) Histogram
8. The measure that divides a dataset into four equal parts is called:
• A) Quartiles
• B) Percentiles
• C) Deciles
• D) Median
• Answer: A) Quartiles
Measures of Dispersion
9. Which of the following is NOT a measure of dispersion?
• A) Range
• B) Mean
• C) Standard deviation
• D) Variance
• Answer: B) Mean
10. The difference between the highest and lowest values in a
dataset is known as:
• A) Mean
• B) Range
• C) Median
• D) Mode
• Answer: B) Range
11. The square root of variance is:
