Question

There are $20$ cities in the County of Newton. Their populations are shown in the bar chart below. The average population of all the cities is indicated by the horizontal dashed line. Which of the following is closest to the total population of all $20$ cities?

$65,000$

$75,000$

$85,000$

$95,000$

$105,000$

Answer: D

Concepts:mean data and graph interpretation

Difficulty rating: 870

Video solution:

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Written solution:

Looking at the horizontal dashed line, the average population is around $4750.$

Since there are $20$ cities, the total population is approximately $20\cdot4750=95{,}000.$

Therefore, the total population is approximately $95,000.$

Thus, the correct answer is D.

2020 AMC 8 Problem 14

Answer: D

Difficulty rating: 870

Video solution:

Written solution:

Problem 14 in Other Years