Front

What is frequency in statistics?

Back

Frequency refers to the number of times a particular value or category occurs in a dataset.

Front

How do you calculate the percentage of a subgroup in a population?

Back

Percentage = (Number of individuals in the subgroup / Total number of individuals) x 100.

Front

What is a survey?

Back

A survey is a method of collecting data by asking people questions to gather information about their opinions, behaviors, or characteristics.

Front

What does it mean if a survey result is statistically significant?

Back

It means that the results are unlikely to have occurred by chance and are likely to reflect true differences in the population.

Front

What is a sample in statistics?

Back

A sample is a subset of individuals selected from a larger population used to estimate characteristics of the whole population.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical values that can be measured.

Front

What is a demographic?

Back

Demographics are statistical characteristics of a population, such as age, gender, income, and education level.

Front

How can you determine the mode of a dataset?

Back

The mode is the value that appears most frequently in a dataset.

Front

What is a bar graph used for?

Back

A bar graph is used to represent categorical data with rectangular bars, where the length of each bar is proportional to the value it represents.

Front

What does it mean to stratify a sample?

Back

Stratifying a sample means dividing the population into subgroups (strata) and sampling from each subgroup to ensure representation.