On an airplane there are two seats on the left side in each row and 3 seats on the right sides. there are 90 seats on right side of the plane. a. how many seats are on the left sid of the plane. b. how many seats are there altogether

45 I believe, sorry if i'm wrong

Step-by-step explanation:

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step-by-step explanation:

9-15%

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.