4.9AB Data Analysis

Front

What is a stem-and-leaf plot?

Back

A stem-and-leaf plot is a method of displaying quantitative data in a graphical format, similar to a histogram, to retain the original data values while showing their distribution.

Front

What does a dot plot represent?

Back

A dot plot is a simple way to display data points along a number line, where each dot represents one occurrence of a value.

Front

What is a frequency table?

Back

A frequency table is a table that displays the number of times each value occurs in a dataset.

Front

How do you find the mode of a dataset?

Back

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

Front

What is the median of a dataset?

Back

The median is the middle value when the numbers in a dataset are arranged in order.

Front

How do you calculate the range of a dataset?

Back

The range is calculated by subtracting the smallest value from the largest value in the dataset.

Front

What is the difference between the highest and lowest values in a dataset called?

Back

The difference is called the range.

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights to show the frequency or value of different categories.

Front

What is the purpose of data analysis?

Back

The purpose of data analysis is to inspect, clean, and model data to discover useful information, inform conclusions, and support decision-making.

Front

What does it mean to interpret data?

Back

Interpreting data means making sense of the data by analyzing it to draw conclusions or make predictions.