Statistics and Box Plot Review

Front

What is the relative frequency of a group in statistics?

Back

Relative frequency is the ratio of the number of times a value occurs to the total number of values, often expressed as a percentage.

Front

How do you calculate the total number of respondents in a survey?

Back

To find the total number of respondents, sum the number of responses from all categories.

Front

What does a box plot represent in statistics?

Back

A box plot visually displays the distribution of a dataset, showing the median, quartiles, and potential outliers.

Front

What is the median in a dataset?

Back

The median is the middle value when the data is arranged in ascending order.

Front

What is the term for the median of the lower half of the data?

Back

Lower Quartile.

Front

What is the upper quartile in a box plot?

Back

The upper quartile is the median of the upper half of the data, representing the 75th percentile.

Front

How do you interpret the 75th percentile in a dataset?

Back

The 75th percentile indicates that 75% of the data points are below this value.

Front

What is the purpose of a box plot?

Back

A box plot summarizes a dataset's central tendency, variability, and skewness.

Front

What does the term 'outlier' mean in statistics?

Back

An outlier is a data point that significantly differs from other observations in a dataset.

Front

How can you find the interquartile range (IQR) from a box plot?

Back

The IQR is calculated as the difference between the upper quartile (Q3) and the lower quartile (Q1).