Statistical Questions

Front

What is a statistical question?

Back

A statistical question is one that anticipates variability in the data and can be answered by collecting data. For example, 'How many siblings do each of your classmates have?' is a statistical question.

Tags

CCSS.6.SP.A.1

Front

What does it mean if a graph is skewed left?

Back

A graph is skewed left if the tail on the left side of the distribution is longer or fatter than the right side. This indicates that most data points are concentrated on the right.

Front

What does it mean if a graph is skewed right?

Back

A graph is skewed right if the tail on the right side of the distribution is longer or fatter than the left side. This indicates that most data points are concentrated on the left.

Front

What is a symmetrical distribution?

Back

A symmetrical distribution is one where the left and right sides of the graph are mirror images of each other. The mean, median, and mode are all equal.

Front

What is a bell curve?

Back

A bell curve is a specific type of symmetrical distribution that is shaped like a bell. It represents normal distribution where most of the data points cluster around the mean.

Front

What is the mode in a data set?

Back

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

Tags

CCSS.6.SP.B.5C

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. If there is an even number of observations, the median is the average of the two middle numbers.

Tags

CCSS.6.SP.B.5C

Front

What is the mean in a data set?

Back

The mean is the average of all the values in a data set, calculated by adding all the numbers together and dividing by the count of numbers.

Tags

CCSS.6.SP.B.5C

Front

What is variability in statistics?

Back

Variability refers to how spread out or how much the data points differ from each other in a data set.

Tags

CCSS.6.SP.A.3

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to show the frequency or value of different categories.

Tags

CCSS.2.MD.D.10