Front

What is a histogram?

Back

A histogram is a type of bar graph that represents the frequency distribution of numerical data. It shows how many data points fall within specified ranges (bins).

Front

What is the difference between a bar graph and a histogram?

Back

A bar graph displays categorical data with rectangular bars, while a histogram displays continuous data and shows the frequency of data points within certain intervals.

Front

What are bins in a histogram?

Back

Bins are the intervals or ranges into which data is grouped in a histogram. Each bin represents a range of values.

Front

How do you determine the height of a bar in a histogram?

Back

The height of a bar in a histogram represents the number of data points (frequency) that fall within the corresponding bin.

Front

What is the purpose of a histogram?

Back

The purpose of a histogram is to provide a visual representation of the distribution of data, making it easier to see patterns, trends, and outliers.

Front

How can you find the total number of data points from a histogram?

Back

To find the total number of data points, sum the heights of all the bars in the histogram.

Front

What does it mean if a histogram is skewed to the right?

Back

A right-skewed histogram indicates that most data points are concentrated on the left side, with fewer high values stretching the tail to the right.

Front

What does it mean if a histogram is symmetric?

Back

A symmetric histogram indicates that the data is evenly distributed around the center, with similar frequencies on both sides.

Front

What is the mode in a histogram?

Back

The mode is the value or range that appears most frequently in the data set, represented by the tallest bar in the histogram.

Front

How do you interpret the area of a bar in a histogram?

Back

The area of a bar in a histogram is proportional to the frequency of data points in that bin, with the height representing the count.