Probability and Statistics Semester Exam B

Front

What is a Bar Graph?

Back

A Bar Graph is a visual representation of data using bars to compare different categories. The bars are separated by spaces.

Front

What is the Y axis in a graph?

Back

The Y axis is the vertical axis of a graph, used to represent the values of the data.

Front

How do you find the range of a set of numbers?

Back

The range is found by subtracting the smallest number from the largest number in the set.

Front

What is the mean?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

What is the median?

Back

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

Front

What is a Histogram?

Back

A Histogram is a type of bar graph that represents the frequency distribution of numerical data, with no spaces between the bars.

Front

What is a Line Graph?

Back

A Line Graph is a type of graph that uses lines to connect data points, showing trends over time.

Front

What is a Dot Plot?

Back

A Dot Plot is a simple way to display data using dots above a number line, where each dot represents one data point.

Front

What does 'mode' mean in statistics?

Back

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

Front

How do you calculate the average of a set of numbers?

Back

To calculate the average, add all the numbers together and divide by the total count of numbers.