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January 30, 2015

January 30, 2015

Posted by **Lea** on Sunday, September 6, 2009 at 1:13pm.

2. eleven applications for a certain position had the following ages. 32, 33 ,25, 36, 48, 51, 28, 23, 54, 52, 45. what was the median age?=51 is this correct?

3. clay is building a pen for his dog. he plans to make it rectangular in shape & measuring 40ft. by 50ft.. he can buy fencing for $3.75 per ft. how much will the fencing for his dog pen cost? =$187.50 is this correct?

thank you.

- math 115 -
**MathMate**, Sunday, September 6, 2009 at 1:23pm1. 13 is not correct

Mean=(19+24+25+17+13+18)/6=?

2. 51 is incorrect

32, 33 ,25, 36, 48, 51, 28, 23, 54, 52, 45

Sort them out in ascending order:

23,25,28,32,33,*36*,45,48,51,52,54

The middle number is the median.

3. $187.50 is not correct.

The perimeter is 2(40+50)=180 ft.

$187.50 is almost $1 per ft. The actual cost is $3.75 per foot, so multiply $3.75 and 180 to give the fencing cost.

- math 115 -
**Ms. Sue**, Sunday, September 6, 2009 at 1:24pm1. No, it's not correct. Add the six scores and divide by 6 to find the mean.

2. Wrong. The median is the middle number when you arrange the ages in numerical order.

3. Way off. Please try again.

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