Data Analysis Math

Front

What is a frequency table?

Back

A frequency table is a way to organize data that shows how often each value occurs in a dataset.

Front

How do you find the total number of pets from a frequency table?

Back

Add the frequencies of each type of pet listed in the table.

Front

What is a stem-and-leaf plot?

Back

A stem-and-leaf plot is a method of displaying quantitative data in a graphical format, similar to a histogram, to retain the original data values.

Front

How do you read a stem-and-leaf plot?

Back

The 'stem' represents the leading digit(s) and the 'leaf' represents the last digit. For example, a stem of 4 and a leaf of 5 represents the number 45.

Front

What is the least value in a data set?

Back

The least value is the smallest number in the data set.

Front

How do you determine the number of data points in a stem-and-leaf plot?

Back

Count the total number of leaves in the plot; each leaf represents one data point.

Front

What does it mean if a frequency table has a high frequency for a certain category?

Back

It means that many respondents selected that category, indicating it is a popular choice.

Front

What is the purpose of data analysis?

Back

Data analysis helps to interpret and make sense of data, allowing for informed decisions based on the findings.

Front

How can you represent data visually?

Back

Data can be represented visually using charts, graphs, frequency tables, and stem-and-leaf plots.

Front

What is the median in a data set?

Back

The median is the middle value when the data points are arranged in order.