Histograms

Front

What is a histogram?

Back

A histogram is a type of graph that displays data by showing the frequency of data points within certain intervals or ranges.

Front

What does it mean if a histogram is left skewed?

Back

A left skewed histogram has a longer tail on the left side, indicating that most data points are concentrated on the right.

Front

What does it mean if a histogram is right skewed?

Back

A right skewed histogram has a longer tail on the right side, indicating that most data points are concentrated on the left.

Front

What is a normal/symmetrical distribution in a histogram?

Back

A normal/symmetrical distribution is when the data is evenly distributed around the mean, forming a bell-shaped curve.

Front

How do you find the interquartile range (IQR)?

Back

To find the IQR, subtract the first quartile (Q1) from the third quartile (Q3).

Front

What is the first quartile (Q1)?

Back

Q1 is the median of the lower half of a data set, representing the 25th percentile.

Front

What is the third quartile (Q3)?

Back

Q3 is the median of the upper half of a data set, representing the 75th percentile.

Front

What type of data does a histogram represent?

Back

A histogram represents continuous data that is grouped into intervals.

Front

What is the mode in a histogram?

Back

The mode is the interval with the highest frequency in a histogram.

Front

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

Back

The height of a bar represents the frequency or count of data points within that interval.