Bellwork 12/3

Front

What is a box plot?

Back

A box plot is a graphical representation of a dataset that shows its minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum values. It helps visualize the distribution and identify outliers.

Front

How do you find the median of a dataset?

Back

To find the median, arrange the data in ascending order and locate the middle value. If there is an even number of observations, the median is the average of the two middle values.

Front

What does IQR stand for and what does it represent?

Back

IQR stands for Interquartile Range. It represents the range of the middle 50% of the data, calculated as Q3 - Q1. It is a measure of statistical dispersion.

Front

What is the maximum value in a dataset?

Back

The maximum value is the largest number in a dataset. It indicates the highest observation.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction. Its decimal representation goes on forever without repeating.

Front

How do you determine the maximum number of cases sold from a data plot?

Back

The maximum number of cases sold is identified by locating the highest point on the data plot, which represents the greatest value in the dataset.

Front

What is the significance of the center of data in statistics?

Back

The center of data, often represented by the median or mean, provides a measure of central tendency, indicating where the majority of data points lie.

Front

What is the formula for calculating the IQR?

Back

IQR = Q3 - Q1, where Q3 is the third quartile and Q1 is the first quartile.

Front

What does it mean if a box plot has a long whisker?

Back

A long whisker in a box plot indicates a larger spread in the data, suggesting the presence of outliers or a wider range of values.

Front

How can you identify outliers in a box plot?

Back

Outliers in a box plot are typically represented as individual points that fall outside the whiskers, which extend 1.5 times the IQR from the quartiles.