a. 100 m dash times (n = 6 top runners): 9.77, 9.77, 10.04, 10.06, 10.08, 10.10

Question

a. 100 m dash times (n = 6 top runners): 9.77, 9.77, 10.04, 10.06, 10.08, 10.10 b. Number of children (n = 13 families): 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 4 c. Number of cars in driveway (n = 8 homes): 0, 0, 2, 2, 4, 4, 5, 6 (a) Find the mean, median, and mode for each data set. (Round your answers to 2 decimal places.) 100 m dash times Number of children    Number of cars in drivewa (b) Which of these three measures is the weakest indicator of a “typical” data value?             100 m dash times (Click to select)ModeMedianMeanNone   Number of children (Click to select)NoneModeMeanMedian   Number of cars in driveway (Click to select)NoneModeMedianMean           a. 100 m dash times (n = 6 top runners): 9.77, 9.77, 10.04, 10.06, 10.08, 10.10 b. Number of children (n = 13 families): 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 4 c. Number of cars in driveway (n = 8 homes): 0, 0, 2, 2, 4, 4, 5, 6

Explanation / Answer

a)

100 m dash times
mean = 9.97
median = 10.05
mode = 9.77

Number of children
mean = 2
median = 2
mode = 2

Number of cars in driveway
mean = 2.875
median = 3
mode = 0, 2,4

b)
100 m dash time
median is the weakest indicator because aall other values fall below 10.05

Number of children
No weak indicator due to having same value for all 3 indicators

Number of cars in driveway
mode is the weakest indicator due to having 3 differnt values only 6 is the differnt values in the entire data set

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