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About this document
- Pages
- 123 pages
- Price
- $45 one-time, yours to keep
- Membership
- Included in every plan
- Format
- Subject
- Statistics
This document contains multiple-choice questions on statistics. It covers topics such as identifying populations, samples, parameters, and statistics, as well as different types of data. It is useful for practicing and preparing for statistics exams.
What's inside
- Identifying populations, samples, parameters, and statistics
- Types of data: quantitative discrete, quantitative continuous, qualitative
- Frequency and relative frequency tables
- Percentiles and cumulative relative frequencies
- Sampling methods
Who it is for: Students preparing for a statistics exam. (Undergraduate)
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Summary
Statistics is the study of how to collect, analyse and present numbers. Students get practice with multiple choice questions on topics in statistics.
Identifying Population, Sample and Data
Statistics looks at groups of people or things. A population is the whole group. A sample is a smaller part of the group. Data is the information collected. Students identify these in examples.
Types of Data
Data can be qualitative or quantitative. Quantitative data can be discrete or continuous. Students identify the type of data in examples. They also calculate mean, median and mode.
Probability and Normal Distribution
Probability is the chance of something happening. A normal distribution is a common pattern of data. Students work with probabilities and normal distributions in examples.
Calculations with Normal Distribution
Students use the normal distribution to calculate probabilities and percentiles. They also use online calculators for these calculations.
Key terms
- Population
- The whole group of people or things being studied.
- Sample
- A smaller group taken from the population.
- Data
- The information collected from the sample.
- Normal distribution
- A common pattern of data that is symmetric and bell-shaped.
- Mean
- The average value of a set of numbers.
- Median
- The middle value of a set of numbers when they are ordered.
Questions this document helps with
- What is the difference between population and sample?
- How do you identify the type of data?
- What is the normal distribution and why is it important?
Summary written with AI from the document's text.
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