Data Analysis TEST (No Stem & Leaf)

Front

What is a dot plot?

Back

A dot plot is a statistical chart that consists of dots plotted on a number line, where each dot represents a data point.

Front

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

Back

To calculate the mean, add all the numbers together and then divide by the total count of numbers.

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

What is the median of a data set?

Back

The median is the middle value when the numbers are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.

Front

What does it mean if a graph is misleading?

Back

A graph is misleading if it presents data in a way that can lead to incorrect interpretations or conclusions.

Front

What is 'cherry picking' data?

Back

Cherry picking data refers to selecting specific data points that support a particular argument while ignoring others that may contradict it.

Front

What is a box plot?

Back

A box plot is a standardized way of displaying the distribution of data based on a five-number summary: minimum, first quartile, median, third quartile, and maximum.

Front

How do you interpret the interquartile range (IQR) in a box plot?

Back

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

Front

What is the mode of a data set?

Back

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

Front

Why is it important for percentages in a graph to add up to 100?

Back

If the percentages do not add up to 100, it can indicate that the data is incomplete or misrepresented.