dot,box, frequency

Front

What is the definition of 'range' in statistics?

Back

The range is the difference between the highest and lowest values in a data set.

Front

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

Back

Subtract the smallest number from the largest number in the set.

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often each value occurs in a data set.

Front

What is the purpose of a dot plot?

Back

A dot plot visually displays the frequency of data points in a simple and clear manner.

Front

What does a box plot represent?

Back

A box plot summarizes a data set using five summary statistics: minimum, first quartile, median, third quartile, and maximum.

Front

What is the median in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

How do you find the mode of a data set?

Back

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

Front

What is the significance of quartiles in data analysis?

Back

Quartiles divide a data set into four equal parts, helping to understand the distribution of the data.

Front

What is the interquartile range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3), representing the middle 50% of the data.

Front

How can you interpret a box plot?

Back

A box plot shows the spread and skewness of the data, highlighting outliers and the central tendency.