Math 1 EOC Review (Statistics/Data)

Front

What is the mean of a data set?

Back

The mean is calculated by adding all the data values together and then dividing by how many values there are.

Front

What is normal distribution?

Back

Normal distribution is a symmetrical bell-shaped graph that represents the distribution of data.

Front

How do you find the median of a data set?

Back

Put the numbers in order from least to greatest, then find the middle value.

Front

What is a mode in statistics?

Back

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

Front

What does it mean if data is skewed to the right?

Back

If data is skewed to the right, it means that the tail on the right side of the distribution is longer or fatter than the left side.

Front

What does it mean if data is skewed to the left?

Back

If data is skewed to the left, it means that the tail on the left side of the distribution is longer or fatter than the right side.

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 in specified ranges.

Front

What is linear regression?

Back

Linear regression is a statistical method used to model the relationship between a dependent variable and one or more independent variables.

Front

What is the purpose of calculating the range of a data set?

Back

The range shows the difference between the highest and lowest values in a data set, indicating the spread of the data.

Front

What is a sample in statistics?

Back

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