Box and Whisker Quiz

Given the following data on ages of children.

10,12,9,7,10,12,6


Determine the median value of the data:
Mean (round to 2
    decimal places)
Put the data in order from least to greatest.
Lower quartile
Minimum
,
,
,
,
,
,
   Upper quartile
Maximum
Range
 subtract the lowest number from the highest number

sum of numbers ÷  number of data items

put data in order, find middle value

which ever number occurs the most

How do you find the range of a given set of data?

Use the box and whisker plot to answer the questions.

 

What is the  upper quartile?
What is the lower quartile?
What is the median value of the data?
20
30
38

What is the age of the youngest student?

 

What is the age of the oldest student?

 

What is the range of the data in this diagram?

8

Ages of Students

10
12
14
16
18
What is the median value of Nike Sneakers?
What is the value of the lower quartile for Nike Sneakers?
Which brand of sneakers has a  price range of $10?
Reebok
Nike
32    34     36     38     40    42     44    46      48    50     52
Average Prices of Sneakers

Reebok

 Nike
Upper Limit
IQ Range
Lower Limit
Median
For the following data, determine the outlier 
limits and then determine if outliers exist.
5, 27, 32, 34, 45, 47, 52, 52, 85, 145
LQ
UQ
Based on your limits from the previous slide...
What are your upper outliers?
What are your lower outliers?
No lower outliers
5 is the lower outlier
No upper outliers
145 is the only outlier
85 and 145 are both outliers
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