Posted by dk on Thursday, January 6, 2011 at 7:57pm.
sylvester bowls once a week. this week he bowled four games. his scores were, 105 103 107 109
what is his average (mean) for the week? explain how you found your answer.
what is the median score for the week? explain how you found your answer.
what is the mode for his socres for the week? explain how you found your answer.
he rented shoes for $2.50 and paid $1.50 for each game. if he paid with a $10 bill, how much change did he receive?

4th grade  Ms. Sue, Thursday, January 6, 2011 at 8:04pm
I'll be glad to HELP you with these problems after you tell me what you know and what you don't know about their answers.
In other words, you make an effort, and we can then help you.

4th grade  dk, Thursday, January 6, 2011 at 8:38pm
i add first 107+105=212/2=106/2=53

4th grade  dk, Thursday, January 6, 2011 at 8:47pm
i don't this is right or wrong

4th grade  dk, Thursday, January 6, 2011 at 8:48pm
i don't no this is right or wrong

4th grade  Ms. Sue, Thursday, January 6, 2011 at 8:58pm
You need to add all four numbers first. Then divide the sum by 4 to find the mean.

4th grade  dk, Thursday, January 6, 2011 at 9:14pm
424/4=106

4th grade  Ms. Sue, Thursday, January 6, 2011 at 9:15pm
Right! :)

4th grade  dk, Thursday, January 6, 2011 at 9:19pm
this is all what about another one

4th grade  Ms. Sue, Thursday, January 6, 2011 at 9:25pm
This site shows you how to find the median and the mode.
http://www.purplemath.com/modules/meanmode.htm

4th grade  dk, Thursday, January 6, 2011 at 9:52pm
the median is 105 and 107
and i don't about mode

4th grade  Ms. Sue, Thursday, January 6, 2011 at 9:54pm
The median is half way between 105 and 107  so the median is 106.
This set of numbers doesn't have a mode. All of the numbers are different.
How do you think you can solve the last problem?

4th grade  dk, Thursday, January 6, 2011 at 10:00pm
10.001.50=$8.50 he receive back
and my son did 2:50+1:50=4:00 then he subtract 10:004:00 =$6:00 he receive back

4th grade  Ms. Sue, Thursday, January 6, 2011 at 10:06pm
He played 4 games. So we multiply 1.50 times 4 = $6.00.
He paid $2.50 to rent shoes.
$2.50 + $6.00 = $8.50
$10.00  8.50 = ? change

4th grade  dk, Thursday, January 6, 2011 at 10:29pm
10.008.50=$1.50

4th grade  Ms. Sue, Thursday, January 6, 2011 at 10:33pm
Right. :)

4th grade  dk, Thursday, January 6, 2011 at 10:38pm
thank you very much for helping me and my son

4th grade  Ms. Sue, Thursday, January 6, 2011 at 10:50pm
You're very welcome.
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