Questions #3-#5 are based on the following sample of ages (in months) of 18 children at a day care: 36,42, 18, 32, 22, 22,25,29,30,31,19,24,35,29,26, 36, 24, 28
5. The median age of the children is...
a) 29 b) 28.2 c) 30.5
d) 28.5
e) 31
6. The interquartile range for this data is...
b) 12
e) 24
d) 20
a) 8
c) 16
7. The standard deviation of the age of children is...
a) 41.24 b) 11.33 c) 10.20 d) 6.42
e) 6.24

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought