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Question 3 and 4.IQR etc .Show step by step workout .Full explanation necessary. In addition provide me with the formula to compute median if odd

Question 3 and 4.IQR etc .Show step by step workout .Full explanation necessary.

In addition provide me with the formula to compute median if odd and also even.

Where appropriate include other formulas .

See image.

image text in transcribed
Questions 3 - 4 refer to the following information Motoring Australia conducted a study of motor vehicle repair shops in order to investigate price variations among shops. A test car was set up to have a specific front-end alignment problem; different shops were then asked to correct the problem. The following stemplot shows the amounts charged (in dollars) by the repair shops in the study. Stem Leaf 2 3 467 7 2 3 4 5 6789 1 1 7 8 5 9 10 11 12 Leaf Unit = $1 Question 3 In the above stemplot, what is the interquartile range (IQR) in dollars? (1) 14 (2) 19 (3) 21 (4) 23 (5) 24 Data Analysis STA2300 Example Exam 2 Page 4 Question 4 It is best to describe the distribution of repair charges using (1) the median and the interquartile range. (2) the mean and the interquartile range. (3) the mean and the standard deviation. (4) the mean and the median. (5) the median and the standard deviation

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