How do you find the interquartile range?
Let’s learn how do you find the interquartile range. The most accurate or helpful solution is served by Mathematics.
There are ten answers to this question.
Best solution
I have grouped data ranges that I need to find the interquartile range for, I think i have found the groups that the upper and lower quartiles are in, but as they are ranged, where do I go from here? Do I find the mid point of each range and then subtract them like you normally would or am I completely off track? Also could someone possible explain the difference between the interquartile range and the semi interquartile range please? Any help anyone could give me would be greatly appreciated...
Answer:
The best thing to do would be to go back to the ungrouped raw data and calculate the upper and lower...
Jamie at Mathematics Mark as irrelevant Undo
Other solutions
My grouped frequency table has classes, frequency for each class, midpoints, cumulative frequency and information to find the stranded deviation. How do I find the interquartile range? Thanks.
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how would you find the interquartile range
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for example: scores on the American College Tests (ACT) are normally distributed with a mean of 18 and a standard deviation of 6. the interquartile range of the scores is approximately: ???????/ Answer is 8.1 but why????? please explain
Answer:
The IQR is the difference between the 1st quartile and the 3rd quartile (or the 25th percentile and...
Vidrio at Yahoo! Answers Mark as irrelevant Undo
The following data represent the number of grams of fat in breakfast meals offered at McDonald’s 12, 23, 28, 2, 28, 33, 31, 11, 23, 40, 35, 1, 23, 33, 23, 16, 11, 8, 8, 17, 16, 15 Honestly, I don't want the answer. I just need to know how to go...
Answer:
Glad you don't want the answer. 1) Arrange the stats in numerical order. 2) Find the median. 3) Find...
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Answer:
The interquartile range (IQR) is the distance between the 75th percentile and the 25th percentile. The...
Anonymous at ChaCha Mark as irrelevant Undo
Anonymous at ChaCha Mark as irrelevant Undo
Answer:
Split the data into 4 groups (quartiles). Take the difference of the 75th and 25th percentiles. This...
Timothy K. at ChaCha Mark as irrelevant Undo
Anonymous at ChaCha Mark as irrelevant Undo
Answer:
The interquartile range can be found by hand by finding the difference between the first quartile and...
Anonymous at ChaCha Mark as irrelevant Undo
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