Mathematics, 31.01.2020 02:44 benpark5370
Janelle is training for a marathon. her weekly mileage for the last eight weeks of training is shown below.
30, 40, 41, 33, 45, 50, 34, 50
this week, she runs a total of 9 miles before suffering a minor injury and taking the rest of the week off. select the true statement about the effect of this week's mileage on janelle's weekly mileage distribution.
(a) the median weekly mileage is the same with or without the inclusion of the 9-mile week.
(b) the interquartile range of the data increases when the 9-mile week is included in the data.
(c) the average weekly mileage is the same with or without the inclusion of the 9-mile week.
(d) the median weekly mileage is higher when the 9-mile week is included in the data.
Answers: 2
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Janelle is training for a marathon. her weekly mileage for the last eight weeks of training is shown...
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