Graphs and Data Analysis Flashcard

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

How do you calculate the difference between two values in a data set?

Back

To calculate the difference, subtract the smaller value from the larger value.

Front

What does it mean to analyze data?

Back

Analyzing data involves examining, interpreting, and drawing conclusions from data sets to identify patterns or trends.

Front

What is the mode in a data set?

Back

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

Front

How can you determine the total number of items in a data set?

Back

To determine the total number of items, sum all the individual counts or values in the data set.

Front

What is a pie chart used for?

Back

A pie chart is used to represent the proportions of a whole, showing how different categories contribute to the total.

Front

What does it mean to have a sample size of 6 in a survey?

Back

A sample size of 6 means that 6 individuals were surveyed or included in the data collection.

Front

How do you find the average (mean) of a data set?

Back

To find the average, sum all the values in the data set and divide by the number of values.

Front

What is the significance of a data point that is an outlier?

Back

An outlier is a data point that differs significantly from other observations, which can indicate variability in the data or errors.

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often each value occurs in a data set.