< 1 and < 2 are supplementary. m< 1 = 3x -4 and m< 2 = 8x-14. find the measure of each angle
a. m< 1 = 130° , m< 2 = 50°
b. m< 1 = 50° , m< 2 = 130°
c. m< 1 = 110° , m< 2 = 70°
d. m< 1 = 70° , m< 2 = 110°

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.

about 0.75 hours

step-by-step explanation: