1
Q
WHAT IS THE RATE PIE?
A
DISTANCE : (RATE X TIME) (P.334)
2
Q
WHAT SHOULD I DO WHEN GIVEN A “PART TO PART” RATIO? (5:4:1)
A
ADD THE PARTS (5+4+1=10) AND THEN DIVIDE EACH PART BY THE SUM (P.336)
3
Q
average =
A
sum/ # of numbers
4
Q
sum =
A
average x # of numbers
5
Q
of numbers =
A
sum/average
6
Q
MEDIAN
A
THE NUMBER THAT DIVIDES THE SET IN 2 EQUALS
ODD: THE MIDDLE NUMBER
EVEN: AVERAGE OF THE TWO MIDDLE/2
7
Q
MODE
A
NUMBER THAT APPEARS MOST FREQUENTLY
SAT MATH
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