Let T represent the fifth test score. The average is the sum of scores divided by their number.
... 82 = (83 +75 +93 +67 +T)/5
... 410 = 318 +T . . . . . . . multiply by 5
... 92 = T . . . . . . . . . . . . subtract 318
The fifth score was 92.
_____
One of the ways I like to work problems like these is to add the differences from the mean. Those are ...
1, -7, 11, -15
so their sum is -10.
The final score must be 10 above the mean in order for this total to be zero. 10 above the mean is 92.
Only Bella is correct, just took the test
Answer:
4.4in
Step-by-step explanation:
<span>Stress that all the relationships are multiply or divide (not add or subtract). Stress that the same operations are done on both sides. Stress that the directions of the arrows are important. Acknowledge that there are several different correct ways to solve ratio problems.</span>
Answer:
It means the middle of the numbers. Like ex. 10, 12, 19 the medium is 12 because it is in the middle.
Step-by-step explanation:
