WorksheetsStatistics and Probability
Total questions: 24
Worksheet time: 22mins
Statistics is best described as:
A way to manipulate numbers for specific outcomes
The science of collecting, analyzing, interpreting, and presenting data
A method to solve mathematical equations
A process of categorizing numbers
The main goal of descriptive statistics is to:
Summarize and organize data
Predict outcomes based on a sample
Arrange numbers in order of size
Classify categories of information
Which type of statistics focuses on using a sample to make predictions about a population?
Descriptive statistics
Inferential statistics
Nominal statistics
Observational statistics
Data that consists of measurable numbers, such as height or weight, is called:
Qualitative
Ordinal
Quantitative
Nominal
Eye color or blood type are examples of:
Qualitative data
Quantitative data
Ratio data
Interval data
Data that can only be categorized and has no meaningful order is known as:
Interval
Ratio
Ordinal
Nominal
Rankings, such as 1st, 2nd, and 3rd place, are classified as:
Nominal data
Ordinal data
Ratio data
Interval data
Temperature measured in Celsius, where there is no true zero, is an example of:
Ratio data
Nominal data
Ordinal data
Interval data
Data with a true zero, such as weight or height, falls under which category?
Interval data
Nominal data
Ordinal data
Ratio data
The mean of a dataset represents:
The average value
The middle value
The most frequent value
The largest minus the smallest value
The median is best described as:
The most frequent value
The middle value when data is ordered
The average of all values
The spread of data points
The mode in a dataset refers to:
The value that occurs most often
The middle value of the data
The average value
The range of the dataset
The range of a dataset measures:
The value that occurs most often
The difference between the largest and smallest values
The middle value
The variation from the mean
Simple random sampling ensures that:
Every member has an equal chance of being selected
The population is divided into groups and samples are taken from each
Every nth member is selected
Entire clusters are randomly chosen
Stratified sampling involves:
Selecting every nth individual from a population
Dividing a population into groups and sampling from each
Selecting entire clusters at random
Using only the first members in a list
Number of steps taken daily
Quantitative
Qualitative
Types of cuisine ordered in a restaurant
Quantitative
Qualitative
Weight of students’ backpacks
Quantitative
Qualitative
Eye colors of participants
Quantitative
Qualitative
Amount of time spent studying (in minutes)
Quantitative
Qualitative
1. The following are the monthly sales (in pesos) of 10 employees in a retail store:
₱2000, ₱2200, ₱2500, ₱2400, ₱2600, ₱2800, ₱2000, ₱3000, ₱2700, ₱2500.
Find the:
mean ____________
median __________
mode ____________
A group of 12 students recorded the following daily study times (in minutes):
60, 75, 90, 80, 85, 95, 70, 90, 100, 95, 80, 85.
Calculate the mean, median, and mode.
The weights (in kg) of 10 parcels delivered by a courier service are as follows:
4, 6, 8, 5, 7, 6, 6, 9, 10, 8.
Determine the mean, median, and mode.
The following are the number of hours employees worked in a week in a company:
35, 40, 45, 38, 42, 40, 37, 40, 39, 36.
Calculate the mean, median, and mode.
