AMC 8 2010 Problem 4

AMC8 2010 年第 4 题

统计与数据图表★☆☆☆☆

What is the sum of the mean, median, and mode of the numbers 2,3,0,3,1,4,0,3 ?

数字 2，3，0，3，1，4，0，3 的平均数，中位数，众数之和是多少？

正确答案 · Correct Answer

解析 · Solution

Solution 1

Putting the numbers in numerical order we get the list 0,0,1,2,3,3,3,4. The mode is 3. The median is

\displaystyle \frac{2+3}{2} = 2.5.

The average is

\displaystyle \frac{0+0+1+2+3+3+3+4}{8} = \frac{16}{8} = 2.

The sum of all three is 3+2.5+2=7.5

继续练习