anonymous
  • anonymous
The table below shows data for a class's mid-term and final exams: Which data set has the smallest IQR? They have the same IQR Mid-term exams Final exams There is not enough information
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Mid-Term Final 96 100 95 85 92 85 90 83 87 83 86 82 82 81 81 78 80 78 78 78 73 75
anonymous
  • anonymous
does this have to be done by hand or can you use a calculator/website?
anonymous
  • anonymous
u can use calculator

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anonymous
  • anonymous
enter your data here http://www.alcula.com/calculators/statistics/dispersion/ If you have a graphing calculator you can create a table and pull out the statistical info as well
anonymous
  • anonymous
basically to find IQR you need to 1. put the numbers in order 2. find the median → this is the number in the middle of the data set, or the average of the 2 middle numbers if there is an even amount of numbers 3. Find the 1st and 3rd quartiles. The 1st quartile is the median of the first half of numbers (the numbers less than the median). The 3rd quartile is the medial of the second half of number. 4. IQR = 3rd quartile - 1st quartile
anonymous
  • anonymous
no what did you get for IQR when you entered the numbers?
anonymous
  • anonymous
I got for the mean on the mid term 85.4,the mean for the final I got 73.4, for the median I got for the mid term 86 and for the final I got 82.
anonymous
  • anonymous
Wait so they have the same IRQ?
anonymous
  • anonymous
the question is about the IQR. All you have to do is enter the numbers on the website and it will tell you what the IQR is for each list
anonymous
  • anonymous
it will give every piece of statistical information you could possibly need
anonymous
  • anonymous
For the IRQ i got 9.75
anonymous
  • anonymous
you will get 9.75 if you put them all in together. You have to put in the midterm numbers and get an IQR for them. Then you have to put in the final numbers to get and IQR for them. Then you compare the two IQRs.
anonymous
  • anonymous
So its the final exam, it has 7 Mid term has 12
anonymous
  • anonymous
yes

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