Describing Data

Describing Data

Using SOCS!

Multiple Choice

What is the shape of the data?

• symmetrical

• skewed left

• skewed right

• bell curve

Multiple Choice

Which of the following best describes the shape of the distribution?

• SKEWED LEFT

• SKEWED RIGHT

• UNIFORM

• SYMMETRICAL

Multiple Choice

What is shape of the data?

• symmetrical

• skewed left

• skewed right

Multiple Choice

Your math grades are 90, 85, 58, 90, 80, 100, and 90. Which grade is the outlier?

• 90

• 58

Multiple Choice

Describe the outliers in the distribution.

• There is an outlier at 2.8

• There is an outlier at 2.4

• There are no outliers.

Multiple Choice

Given the 5 number summary, the minimum is an outlier.

• True

• False

Multiple Choice

Given the following distributions, which has the highest median?

• Red

• Purple

• Black

Multiple Choice

What measure best describes the center of the data distribution?

*Hint - If the data is uniform or symmetric, the use either mean or median. If the data is skewed, then use the median.

• spread

• mean

• peak

• median

Multiple Choice

Over the last five days, Jen ran 4, 3, 2, 3, and 2.5 miles. The most appropriate measure of center for this data is:

• Mean because all the numbers are close together.

• Median because all the numbers are close together.

• Mean because 2 is much lower than the other numbers.

• Median because 2 is much lower than the other numbers.

Multiple Choice

The distribution of data is skewed right. What is the relationship between the mean and median?

• median > mean

• mean > median

• mean = median

• Impossible to tell.

Multiple Choice

Find the range of the data.

63, 71, 65, 66, 87, 53

• 32

• 33

• 34

• 35

Multiple Choice

Which has a larger IQR?

• Zach

• Steven

• They have the same IQR

Multiple Choice

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

• increase

• decrease

• stay the same

• both increase and decrease

Multiple Choice

Which dot plot shows a larger spread of data?

• Basketball Players

• Softball Players

Multiple Choice

Which of the following statements are true?

• There is an outlier at 17.

• The range is 18.

• 19 tickets were sold.

• All of the above.

Multiple Choice

Which inference about the two populations is true

• Both sets of data have the same interquartile range

• Both sets of data have the same median

• Ander's data centers areound 6 and Marcus's data centers around 7

• The interquartile range for Ander's data is .5 greater than the interquartile range for Marcus's data

Open Ended

SUMMARY - Answer the following question(s) Use complete sentences.

Ms. Leonard looked at the grades of her class’ retake of their last quiz. How would you describe this data? (Describe using SOCS)

What conclusions can you draw about this class’ performance on the retake exam? Hint* Did they do well or not? How do you know?