anonymous
  • anonymous
The table below shows the number of hours some business people in two states spend in meetings each week: State A 21 23 24 22 24 25 23 23 22 State B 24 22 20 23 23 50 20 46 21 Part A: Create a five-number summary and calculate the interquartile range for the two sets of data.
Algebra
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
start by putting the numbers for each group in order
anonymous
  • anonymous
21 22 22 23 23 23 24 24 25
anonymous
  • anonymous
21 22 22 23 23 23 24 24 25 A 20 20 21 22 23 23 24 46 50 B Is what I mean, but good job.

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anonymous
  • anonymous
XD
anonymous
  • anonymous
These are the 5 numbers you're looking for in each group. minimum → lowest number 1st quartile → median of the lower half of numbers median → middle number 3rd quartile → median of the higher half of the numbers maximum → highest number Which ones do you know how to find?
anonymous
  • anonymous
anonymous
  • anonymous
both
anonymous
  • anonymous
now
anonymous
  • anonymous
Can you pick out the maximum and minimum in group A?
anonymous
  • anonymous
21 22 22 23 and 23 24 24 25
anonymous
  • anonymous
Right. Now pick out the median. What number is in the middle of group A?
anonymous
  • anonymous
20 20 21 22 and 23 24 46 50
anonymous
  • anonymous
It's 23.
anonymous
  • anonymous
Now for the 1st quartile, look at the numbers left of the median. They are 21, 22, 22, and 23. We need to find their median. Since it's an even amount of numbers, there you can't just pick it out. We have to add the 2 middle numbers and divide by 2. 1st quartile = (22 + 22)/2 = 22
anonymous
  • anonymous
Does that make sense?
anonymous
  • anonymous
anonymous
  • anonymous
He went offline....?
anonymous
  • anonymous
he or me
anonymous
  • anonymous
Him.
anonymous
  • anonymous
Will you help?

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