Select the correct answer. Which data set has the greatest spread for the middle 50% of its data?

A. {18, 13, 22, 17, 21, 24}

OB. {17, 19, 22, 26, 17, 14;"

c. {13, 17, 12, 21, 18, 20}

D. {18, 21, 16, 22, 24, 15)

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.

22

step-by-step explanation:

22