Statistics

Front

What percent of data lies within 1 standard deviation from the mean?

Back

68%

Tags

CCSS.HSS.ID.A.4

Front

What do negative standard deviations on a normal distribution curve indicate?

Back

Below average

Front

How do you determine which class performed better on a test?

Back

Compare the average scores of each class.

Tags

CCSS.7.SP.B.4

Front

If the mean of a data set is 17.8, what happens to the mean if 40 is added?

Back

The mean would go up.

Front

How do you find the median of a data set with two middle numbers?

Back

Add the two middle numbers and divide by 2.

Tags

CCSS.6.SP.B.5C

Front

What is the definition of mean in statistics?

Back

The average of a data set, calculated by adding all numbers and dividing by the count.

Tags

CCSS.6.SP.B.5C

Front

What is the definition of median in statistics?

Back

The middle value of a data set when arranged in order.

Tags

CCSS.6.SP.B.5C

Front

What is the definition of mode in statistics?

Back

The number that appears most frequently in a data set.

Tags

CCSS.6.SP.B.5C

Front

What does a normal distribution curve represent?

Back

A probability distribution that is symmetric about the mean.

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

Front

What is standard deviation?

Back

A measure of the amount of variation or dispersion in a set of values.