5c. I can calculate Interquartile Range (IQR)
Authored by Stacey Smith
Mathematics
6th - 8th Grade
Used 3+ times
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8 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Here's a box plot that summarizes how many eggs Ms. Dorrington's chickens laid last week.
Find the interquartile range (IQR) of the data.
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OFF
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
True or False
The interquartile range is the difference between the upper quartile (Q3) and the lower quartile (Q1).
True
False
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the interquartile range (IQR) for the dot plot below?
20
35
15
70
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the interquartile range of the data set below?
3, 5, 6, 6, 7, 8, 9
3
6
2
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quartiles break the data set into _____ equal parts each representing 25% of the data.
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Q1, Q2, and Q3 of the following data set?
4, 5, 6, 8, 9, 10, 11
Q1: 4
Q2: 8
Q3: 11
Q1: 5
Q2: 8
Q3: 10
Q1: 4
Q2: 5
Q3: 6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the IQR of the following Data Set:
32, 35, 35, 36, 39, 40, 44, 48, 49
Q1: 35
Q2: 39
Q3: 46
IQR: 46 - 35 = 11
Q1: 35
Q2: 39
Q3: 44
IQR: 44 - 35 = 9
Q1: 35
Q2: 39
Q3: 48
IQR: 48 - 35 = 13
Q1: 35
Q2: 39
Q3: 46
IQR: 39 - 35 = 4
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