Question

Help: The stem-and-leaf plot displays the distances that a heavy ball was thrown in feet.

2 0, 2, 5
3 1, 3, 4
4 1, 1, 5
5 0, 6
6 7
Key: 3|1 means 3.1

What is the mean, and what does it tell you in terms of the problem?
A.3.1 feet; The value means the furthest the ball went.
B.3.875 feet; The value means that a typical throw of the ball results in 3.875 feet.
C.4.1 feet; The value means this measurement had the most occurrences.
D.4.65 feet; The value means that a typical throw of the ball results in 4.65 feet.

Answer 1

Answer: B) 3.875

Explanation:

To start off, finding the mean is the AVERAGE. To find the average, you must add all of the values, and divide by however many values there are (in this case, there are 12) So first add all of the values:

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2+2.2+2.5+3.1+3.3+3.4+4.1+4.1+4.5+5+5.6+6.7 = 46.5 (or 46.50)

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next, you divide 46.5 by however many values there are (in this case, there are 12)

So, 46.5 / 12 is equal to 3.875

This tells us that the average distance of the throw is 3.875 feet

Therefore, the correct answer is B.3.875 feet; The value means that a typical throw of the ball results in 3.875 feet.

HOPE THIS HELPS YOU! HAVE A GOOD DAY!