Histograms

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).

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

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.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

How do you determine the number of intervals (bins) in a histogram?

Back

The number of intervals can be determined using the formula: Number of bins = 1 + 3.322 * log(n), where n is the number of data points.

Tags

CCSS.HSN.Q.A.1

Front

What does the height of each bar in a histogram represent?

Back

The height of each bar represents the frequency (count) of data points that fall within the corresponding interval.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

How do you read a histogram?

Back

To read a histogram, look at the intervals on the x-axis and the heights of the bars on the y-axis to understand the distribution of data.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

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

Back

A histogram displays continuous data and groups it into intervals, while a bar graph displays categorical data with separate bars for each category.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What is an interval in a histogram?

Back

An interval (or bin) in a histogram is a range of values that groups data points together for frequency counting.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

How can you find the mode using a histogram?

Back

The mode can be found by identifying the interval with the highest bar (frequency) in the histogram.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

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

Back

If a histogram is skewed to the right, it means that most data points are concentrated on the left side, with a few larger values extending to the right.

Front

What does it mean if a histogram is symmetric?

Back

If a histogram is symmetric, it means that the data is evenly distributed around the center, with similar frequencies on both sides.