Unit 6 Review - Data Analysis

Front

What is a dot plot?

Back

A dot plot is a statistical chart that consists of dots plotted on a number line, representing the frequency of data points.

Front

What does the term 'mode' refer to in data analysis?

Back

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

Front

How do you find the median of a data set?

Back

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

Front

What is the interquartile range (IQR)?

Back

The interquartile range is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set, representing the range of the middle 50% of the data.

Front

What does a box plot represent?

Back

A box plot visually summarizes the distribution of a data set, showing the median, quartiles, and potential outliers.

Front

What is the range of a data set?

Back

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

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, add all the values together and divide by the number of values.

Front

What is a frequency table?

Back

A frequency table is a table that displays the number of times each value occurs in a data set.

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, using bars to show the frequency of data points within specified ranges.

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the entire group in statistical analysis.