Graphs Statistics

Front

What is a double stem and leaf plot?

Back

A double stem and leaf plot is a graphical representation of data that displays the distribution of data points. Each 'stem' represents a range of values, while 'leaves' represent individual data points within that range.

Front

How do you find the minimum value in a data set?

Back

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

Front

How do you find the maximum value in a data set?

Back

The maximum value is the largest number in the data set.

Front

What is the mode of a data set?

Back

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

Front

What does it mean if a data distribution is symmetrical?

Back

A symmetrical distribution has a shape that is even on both sides of the center, indicating that data points are evenly distributed.

Front

What is a bell curve?

Back

A bell curve is a graphical representation of a normal distribution, where most data points cluster around the mean, creating a bell-shaped curve.

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the minimum value from the maximum value.

Front

What does it mean if data is skewed left?

Back

If data is skewed left, it means that the left tail of the distribution is longer or fatter than the right tail, indicating that there are more lower values.

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 difference between mean and median?

Back

The mean is the average of all data points, while the median is the middle value when the data points are arranged in order.