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Nataly_w [17]
3 years ago
11

What is the interquartile range of the data set? {48, 50, 65, 60, 80, 42, 45, 50, 42, 55, 45}

Mathematics
2 answers:
MissTica3 years ago
5 0
Order the number:
42,42,45,45,48,50,50,55,60,65,80

Mean:50
Quartile 1:45
Quartile 3:60

60-45=15. As a result, the interquartile range is 15. Hope it help!
Ratling [72]3 years ago
5 0

Answer:

Step-by-step explanation:

Given : Data set  {48, 50, 65, 60, 80, 42, 45, 50, 42, 55, 45}.

To find : What is the interquartile range of the data set?

Solution : We have Data set  {48, 50, 65, 60, 80, 42, 45, 50, 42, 55, 45}.

Order the number:

42,42,45,45,48,50,50,55,60,65,80 .

Median : (42,42,45,45,48),50,(50,55,60,65,80 ).

50 is the median .

Median of first quartile Q1 : 45.

Median of second quartile Q2 : 60.

interquartile range = Q2-Q1  = 60-45 = 15.

Therefore, Interquartile range is 15.

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