Hey there, standard deviation it's like a measure of numbers that's on a chart, as the numbers increase the higher the line increases. Here is an example.
To calculate this we simply need to devide 153 by 18.
153/18=8.5
which means that Sarah can buy 8 new CDs and will have
153 - 8*18=9 dollars spare.
Sarah has extra cash because with that spare money she can't buy whole new CD.
Answer:
1:7
Step-by-step explanation:
Answer:
the answer is 10 and another one is 30
