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10. Charlie buys three energy bars for each day of his three-day hike. Depending on the brand, the cost of each bar is between $3.25 and $4.50. What is the independent quantity?
the number of energy bars purchased (My answer)
the total cost of the bars
the price of each energy bar
the type of hiking shoes Charlie wears
11. Which measure of central tendency best describes the following data set?
7.25, 7.50, 8.00, 8.25, 8.50, 8.75, 13.50, 17.00
mean (My answer)
12. Write an algebraic expression for the phrase. Use the variable n to represent the unknown.
9 less than 4 times a number
9 – 4n
4 – 9n
9n – 4
4n – 9
A or B ? Not sure.
Let's start off w/ the 1st one. (#10)
Using the process of elimination, B and D are definitely not it because that's what they say on the problem. I'm not sure about either A or C but if I were you I'd stick with my first answer. (I would choose C though but that's up to you unless you'd like someone else to check for you)
Okay, thank you :)
2nd one: (#11)
We see that it is already in order, and a central tendency means the best way to find the middle number. Mean can't be it because of the outlier. The outlier might through off the central tendency, so I'd stick with the median. Do you agree/disagree or want me to elaborate more?