Unit 10- Data

Questions

100

Numerical data contains what...

Numbers

200

Is the color of a person's eyes numerical or categorical?

Categorical

300

A statistical question has two criteria:

1. The question must be answered by data

2. ????????

The data must vary

400

Categorize this question: What is your favorite restaurant?

Categorical and non-statistical

500

Categorize this question: How many hours of sleep do you average a night?

Numeric and non-statistical

Measures of Center

100

The median is the what... 

Number in the middle of the data

200

The mean is...

The average of the data

300

Find the median from this data set:

4,7,3,9,2,6

5

400

Find the Mean from this data set...

18, 14, 12, 13, 17, 11, 25, 3, 10, 7

13

500

Find the mean and median of this data:

9, 7, 2, 3, 13, 19, 24, 14, 11, 8, 17, 8

Median: 10

Mean: 11.25

Variability

100

What mathematical process do you use to find the range?

Subtracting

200

The interquartile range breaks the data into this many pieces...

4

300

Find the range from this data set: 

32, 45, 68, 75, 21, 28, 36, 89, 65, 62

67

400

Find the IQR of this data set:

2, 4, 6, 8, 10, 12, 14, 16, 18, 20

Median: 11

IQR: 10

500

Find the IQR of this data set: 

{7,25,15,20,13,5}

Median: 14

IQR: 13

MAD, Dot Plots, and Stuff

100

What does MAD stand for?

Mean Absolute Deviation

200

Find the Minimum and Maximum from this set of data: 978, 654, 621, 761, 495, 981, 624, 754, 636, 316, 318, 312, 98, 215, 367, 99, 980, 542, 659, 816

Min: 98

Max: 981

300

If the mean of data is 16, find the MAD: 

14, 12, 18, 16, 10, 15, 17, 20

2.5

400

On your white boards, draw a symmetric and a skewed dot plot. Label them.

On whiteboards

500

What types of graphs are used for symmetric data?

Histogram, Dot Plot

Wildcard

100

What does Mr. Tom always drink? Be specific

Diet Dr. Pepper

200

Winning this game of jeopardy earns you 5 extra points on a 25 point test. If you scored a 23/25 on the test, what percent would you get on the test if you won this game of jeopardy?

112%

300

What type of graph uses IQR?

Box Plot

400

What year did the Cardinals win their last World Series?

2011

500

Draw and label a box plot with the following data:

8, 4, 14, 12, 5, 11, 8, 9, 7, 9

Min: 4 (Straight line begins)

Q1: 7 (Start of box)

Med: 8.5 (Line inside the box)

Q3: 11 (End of the box)

Max: 14 (Straight line ends)