Data Analysis (4.9A/4.9B)

Front

What is data analysis?

Back

Data analysis is the process of inspecting, cleaning, and modeling data to discover useful information, inform conclusions, and support decision-making.

Front

What is a dot plot?

Back

A dot plot is a statistical chart that consists of data points plotted on a simple scale, often used to show frequency of data.

Front

How do you find the difference between two numbers?

Back

To find the difference, subtract the smaller number from the larger number.

Front

What does it mean to compare data?

Back

Comparing data means looking at two or more sets of data to identify similarities, differences, or trends.

Front

What is the mode in a set of data?

Back

The mode is the number that appears most frequently in a data set.

Front

What is the median in a set of data?

Back

The median is the middle number in a sorted list of numbers. If there is an even number of observations, the median is the average of the two middle numbers.

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to compare different categories.

Front

What is a line graph?

Back

A line graph is a type of chart that displays information as a series of data points called 'markers' connected by straight line segments.

Front

How do you calculate the total from a set of numbers?

Back

To calculate the total, add all the numbers together.

Front

What is a frequency table?

Back

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