Standard Deviation Lesson

Standard Deviation for Ungrouped Data

Ph-USA Gurur

Today, we will:

• Review the previous measures of variability.

• Define and understand Standard Deviation for Ungrouped Data.

• Apply measures of variability in real life.

Poll

Are you ready

Fill in the Blanks

Find the range of the given data: 16, 13, 3, 15, 14, 7, 10.

Fill in the Blanks

Find the mean of the given data: 16, 13, 3, 15, 14, 7, 10. Round your answer to whole number.

Fill in the Blanks

Find the mean absolute deviation of the given data: 16, 13, 3, 15, 14, 7, 10. Round your answer until 2 decimal places.

Fill in the Blanks

Find the interquartile range (IQR) of the given data: 16, 13, 3, 15, 14, 7, 10. Hint: Arrange from L-G.

Fill in the Blanks

Find the population variance of the given data: 16, 13, 3, 15, 14, 7, 10. Round your answer to 2 decimal places.

Fill in the Blanks

Find the sample variance of the given data: 16, 13, 3, 15, 14, 7, 10. Round your answer to 2 decimal places.

Standard Deviation

• Standard deviation is a measure of how each value in a data set varies or deviates from the mean

Open Ended

Question and Answer

Open Ended

Journal: How do you find the standard deviation?