12/5 Measures of Center 5-question flashcard

Front

What is the definition of 'mean' in a data set?

Back

The mean is the average of 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 the definition of 'median' in a data set?

Back

The median is the middle value in a data set when the numbers are arranged in ascending order.

Tags

CCSS.6.SP.B.5C

Front

What is the definition of 'mode' in a data set?

Back

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

Tags

CCSS.6.SP.B.5C

Front

What does 'range' represent in a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What does standard deviation represent?

Back

Standard deviation measures how spread out each data value is from the mean.

Front

If a number is added to the set that is in the middle of the data, how does this affect the range?

Back

The range stays the same.

Front

How do you find the median of a data set with an even number of values?

Back

Add the two middle numbers together and divide by two.

Tags

CCSS.6.SP.B.5C

Front

What is the first step in calculating the mean of a data set?

Back

Add all the numbers in the data set together.

Tags

CCSS.6.SP.B.5C

Front

What is the relationship between mean, median, and mode in a skewed distribution?

Back

In a positively skewed distribution, mean > median > mode; in a negatively skewed distribution, mode > median > mean.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Front

What is a dot plot?

Back

A dot plot is a statistical chart that consists of dots representing the frequency of data points.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1