12 Questions
What is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions?
Descriptive statistics
What is a subset of the population?
Sample
Which branch of statistics quantifies how likely events are to occur?
Probability theory
What type of data cannot be measured by a numerical scale?
Qualitative data
Which term describes a description of a sample characteristic?
Statistic
Which branch of statistics involves using a sample to draw conclusions about a population?
Inferential statistics
What type of data involves numerical measurements that can be ordered and meaningful differences can be calculated?
Interval data
Which type of data has an inherent zero where a ratio of two data values can be calculated?
Ratio data
In the context of data measurement scales, which scale is the crudest and only allows for ranking data?
Ordinal scale
Why can't we say that 50°F is twice as hot as 25°F when comparing temperature scales?
Because the corresponding temperatures on the Celsius scale do not show a 2:1 ratio
What is the purpose of experimental studies in statistics?
To impose treatments and observe responses for data collection
What is a key guideline in designing a statistical study?
Ensuring the sample is representative of the population of interest
Learn about the definition of statistics, data collection, and the three branches of statistics: data analysis, probability, and statistical inference. Explore how statistics uses data to gain insights, make decisions, and draw conclusions.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
