Three people each took 5 tests.
Three people each took 5 tests. If the ranges of their scores in the 5 practice tests were 17, 28 and 34, what is the minimum possible range in scores of the three test-takers?
Answer/Solution
b) 34
Steps/Work
It is finding the minimum range between all their scores, if all test taker scores are between 0 and maximum range we will have:
A- 0 and 17
B- 0 and 28
C- 0 and 35
therefore the minimum range is 34, it cant be any lower however you play with the numbers.
B
A- 0 and 17
B- 0 and 28
C- 0 and 35
therefore the minimum range is 34, it cant be any lower however you play with the numbers.
B