Which is true statement about 2 numerical sets of data that have positive association? 1.As one variable increases, the other variable does not change.
2.As one variable increases the other variable increases.
3.As one variable decreases the other variable increases
4.as one variable increases the other variable decreases

D. As one variable increases, the other variable decreases

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solution:

as, mean is defined as sum of all the observations divided by total number of observations.

and , median is mid value of the data whether arranged in ascending order or descending order.

consider, roadsters:

2,3,4,5,6,7,8,9

mean =

also, median= , because number of observations is even, so median is mean of two mid values.

now, coming to bandits

2,3,4,5,6

mean =  

median = 4, as number of observations is odd.

so, roadsters has greater median as well mean than bandits.

→option a is true about the repairs performed on 2 types of cars:

bandits have lower median and mean than roadsters.

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step-by-step explanation: