Posted by Kayla on Wednesday, May 21, 2008 at 9:17pm.
How can I figure this out?
Five integers have an average of 69. the median is 83. the mode is 85. the range of the 5 integers is 70. what is the second smallest of the 5 integers?

math  Reiny, Wednesday, May 21, 2008 at 9:25pm
the average is 69, so the total sum is 69*5 = 345
the median is 83, so two of them must be above and two below that 83.
The mode is 85, implying that the two numbers above 83 must both be 85
so the largest number is 85, and the range is 70, implying that the smallest is 8570 = 15
so the second number is 34583858515 = 77
the numbers are 15,77,83,85,85
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