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MATH 225N Week 4 Quiz

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1. Question: A deck of cards contains red cards numbered 1,2,3,4,5,6,7,8,9, blue cards numbered 1,2,3,4 and green cards numbered 1,2,3,4,5,6,7,8,9,10. If a single card is picked at random, what is the probability that the card is green? 2. Question: The five-number summary for a set of data is given below. Min Q1 Median Q3 Max 49 55 59 67 72 What is the interquartile range of the set of data? 3. Question: The five-number summary for a set of data is given below. Min Q1 Median Q3 Max 43 51 53 58 94 What is the interquartile range of the set of data? 4. Question: The following frequency table summarizes a set of data. What is the five-number summary? 5. Question: Find the mode of the following amounts (in thousands of dollars) in savings accounts of randomly selected people aged 25-30. 8,6,8,7,2,2,2,4,4,4,4,7 6. Question: A deck of cards contains red cards numbered 1,2,3, blue cards numbered 1,2,3,4 and green cards numbered 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16. If a single card is picked at random, what is the probability that the card is blue? Give your answer as a fraction. 7. Question: The five-number summary for a set of data is given below. Min Q1 Median Q3 Max 57 61 67 71 98 What is the interquartile range of the set of data? 8. Question: The five-number summary for a set of data is given below. Min Q1 Median Q3 Max 60 67 70 78 93 What is the interquartile range of the set of data? 9. Question: The following frequency table summarizes a set of data. What is the five-number summary? Value Frequency 1 6 2 2 5 1 6 1 9 1 11 1 13 1 14 6 15 3 16 1 19 1 23 1 24 1 28 1

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Question 1
Alice sells boxes of candy at the baseball game and wants to know the mean number of
boxes she sells. The numbers for the games so far are listed below.
16,14,14,21,15
Find the mean boxes sold.


Provide your answer below:

16 boxes




$$mean=



Content attribution- Opens a dialog
Question 2
Given the following list of prices (in thousands of dollars) of randomly selected trucks at
a car dealership, find the median.
20,46,19,14,42,26,33

Provide your answer below:

26 thousands of dollars




$$median=



Content attribution- Opens a dialog
Question 3
Each person in a group shuffles a deck of cards and keeps selecting a card until a
queen appears. Find the mode of the following number of cards drawn from a deck until
a queen appears.

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