Question

a catapult launches a rock 7 different trials with the following distances: 124 cm, 90 cm, 65 cm, 75 cm, 82 cm, 54 cm, 91 cm
what is the average distance the catapult launched the rock?
cm

Explanation:

Step1: Sum all distances

To find the average, first sum the distances: \(124 + 90 + 65 + 75 + 82 + 54 + 91\). Let's calculate: \(124+90 = 214\), \(214+65 = 279\), \(279+75 = 354\), \(354+82 = 436\), \(436+54 = 490\), \(490+91 = 581\).

Step2: Divide by number of trials

There are 7 trials. So average \(=\frac{581}{7}\). Calculating that: \(581\div7 = 83\).

Answer:

83