anonymous
  • anonymous
what is the mean, median, mode of data : a) 25,21,38,29,32,44,38,21,16 4:47 pm
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
Whatcha need? I can help. You've got the median and mode already, yeah?
anonymous
  • anonymous
yea but i need another help too
anonymous
  • anonymous
25,21,38,29,32,44,38,21,16 Helps to put them in order first: 16, 21, 21, 25, 29, 32, 38, 38, 44 From here, the mean is the average. So take all of the numbers, add them up and divide them by the number of numbers you have in your list (in this case nine). Mode is the number that shows up the most. In this case you have two numbers that each show up twice. Median is the number in the middle of the sequence. Start from the outsides and cross em off one by one, one from the left, one from the right, until you reach the center number. This one is easy because there are an odd number of numbers, you will get one number for the median. Hope that helps.

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anonymous
  • anonymous
so the median would be 58?
anonymous
  • anonymous
The median, or middle number is 29. The MEAN, which means average, without doing any math, I can tell you it is not 58. Add all the numbers together and then divide by the number of numbers in the sequence. There are nine numbers in this sequence. Add them and divide by nine.
anonymous
  • anonymous
29
anonymous
  • anonymous
29 and 1/3.
anonymous
  • anonymous
(16 + 21 + 21 + 25 + 29 + 32 + 38 + 38 + 44)/9. 1 2 3 4 5 6 7 8 9
anonymous
  • anonymous
sorry i gave the wrong number ..so for instance i rearranger the numbers in to median such as , 36,38,44,53,58,71,74,81,82,94 .. so the median would be 58 ??
anonymous
  • anonymous
Also, I just read chat. There is such a thing as having 2 modes.
anonymous
  • anonymous
the median is 58+71/2
anonymous
  • anonymous
In that case, you have 10 numbers so there will be two numbers in the center. The median is those two numbers added and then divided by 2.
anonymous
  • anonymous
yay i got it :) thankyou
anonymous
  • anonymous
Np.
anonymous
  • anonymous
Could you help me as well?
anonymous
  • anonymous
I am almost out of time, but if it's in my knowledge, I will do my best to help.
anonymous
  • anonymous
Here's the equation -> 4x^2+20x-24=0 and I've gotta factor and solve. I'm able to get the first step, and afterwards I dunno where to go.
anonymous
  • anonymous
So let's take out 4 first. Notice how the coefficients and constant can all be divided by 4 so we can do: 4(x^2+5x-6)=0
anonymous
  • anonymous
If you distrubute that, you'll notice that it is the same as 4x^2+20x-24=0
anonymous
  • anonymous
I get that much.
anonymous
  • anonymous
Awesome.
anonymous
  • anonymous
We are going to leave that four alone for now. I'll explain it later. Can you factor (x^2+5x-6)?
anonymous
  • anonymous
Remember, the formula looks like (x+?)(x+?).
anonymous
  • anonymous
It'd be
anonymous
  • anonymous
(x+6)(x-1)
anonymous
  • anonymous
The two ? should ADD to 5, the MIDDLE term. The two ? should MULTIPLY to -6, the LAST TERM (aka the constant).
anonymous
  • anonymous
Great, that is exactly right.
anonymous
  • anonymous
i need help
anonymous
  • anonymous
So, if (x+6)(x-1) = (x^2+5x-6), can you agree that 4(x^2+5x-6)) = 4 (x+6)(x-1) ?
anonymous
  • anonymous
So the four is allowed to stay out there ;) All remains balanced.
anonymous
  • anonymous
Are we clear on this?
anonymous
  • anonymous
the table shows the prizes awarded in jason's school funraiser : price value : 100,50,10 , number of prices 2,4,10 find the mean median mode
anonymous
  • anonymous
Yeah. Do you have to go now?
anonymous
  • anonymous
I have to change classes, but I have computers in there too ;) It might be a couple minutes before I can come back.
anonymous
  • anonymous
The bell just rang, so I will be right back in maybe 10.
anonymous
  • anonymous
Okay. Tell me later what age you are if you can.
anonymous
  • anonymous
the table shows the prizes awarded in jason's school funraiser : price value : 100,50,10 , number of prices 2,4,10 find the mean median mode hellllpppp
anonymous
  • anonymous
Okay, I can, give me a minute
anonymous
  • anonymous
:) please
anonymous
  • anonymous
Eh
anonymous
  • anonymous
I'm confused by the number of prices part
anonymous
  • anonymous
what part you go confused?
anonymous
  • anonymous
Well, did you mean number of prizes, maybe?
anonymous
  • anonymous
yes thats exactly what i meant
anonymous
  • anonymous
Okay so, to solve for the three..beginning with median..
anonymous
  • anonymous
yh?
anonymous
  • anonymous
I think you needa arrange the numbers in order from lowest to highest.
anonymous
  • anonymous
how
anonymous
  • anonymous
k for median i got 31.25 ,
anonymous
  • anonymous
I believe you solved for the mean.
anonymous
  • anonymous
Noooo i dont get mean and mode and thatss y i need your help
anonymous
  • anonymous
Mkay, so for mean: you must add up all the values and divide by the number of values listed.
anonymous
  • anonymous
The mode is the most common number, so it'd be 10.
anonymous
  • anonymous
And then the median is what's in the middle: med=mid; you could remember it that way, I suppose.
anonymous
  • anonymous
You have six values, which is an even number, so there isn't really a centered value, so in this case, you select the two values in the middle and take their average.
anonymous
  • anonymous
i still dont get mean :S is it 8?
anonymous
  • anonymous
10 + 50 + 10 + 2 + 4 + 10 = Your answer. So use a calculator to add those values up first.
anonymous
  • anonymous
u missed 100 i guess
anonymous
  • anonymous
My bad, typo, it would be 100, yeah.
anonymous
  • anonymous
176
anonymous
  • anonymous
/2?
anonymous
  • anonymous
Good, now divide by how many values/numbers are listed.
anonymous
  • anonymous
So it'd be six.
anonymous
  • anonymous
29.3
anonymous
  • anonymous
Correct. That's the mean. The average. Now you needa find the median.
anonymous
  • anonymous
how am i gonaa??
anonymous
  • anonymous
2, 4, 10, 10, 50, 100
anonymous
  • anonymous
See how there isn't a number directly in the middle?
anonymous
  • anonymous
So you'd either take the average of the two middle-ish numbers, and if they're the same, they're both considered the median.
anonymous
  • anonymous
If it were 2, 4, 7, 9, 50, and 100, the median would be 9.
anonymous
  • anonymous
Kidding, 8.
anonymous
  • anonymous
yea i told u in the beh=ginig itss 8 lol but back of the book it shows 10
anonymous
  • anonymous
Do you need to show your work? If you have answers in the back of the book, you just need to jot down the steps that give you those answers.
anonymous
  • anonymous
i said back of the book its sayss 10 for the median.. but i got 8 .. so i dont kno whats the right answer
anonymous
  • anonymous
Tell me how you got eight.
anonymous
  • anonymous
i added the number of prices which is 2+4+6=16/2
anonymous
  • anonymous
Median is middle, remember that. Med=mid.
anonymous
  • anonymous
So you don't even need to do any calculating, you just need to determine which value/number is in the center.
anonymous
  • anonymous
oh i got it :)
anonymous
  • anonymous
And I hafta go soon, I have a math exam tomorrow morning that I need to study for, but I want you to solve for mean, median and mode of the example equation I'm gonna give you.
anonymous
  • anonymous
Very nice guys, good deal. I got a little waylaid but everything looks to be in order ;)
anonymous
  • anonymous
thankyou soo much :)good luck for ur exam
anonymous
  • anonymous
Dude, IParke, can you make sure this fella knows what he's doing? I dunno if he's got it down yet, so if you've got time, give him random scenarios to work with ie finding mean, median and mode and all. Can you do that?
anonymous
  • anonymous
If he needs help, I got him covered.
anonymous
  • anonymous
MSW, would you like a practice set of numbers?
anonymous
  • anonymous
hahahahhahhaa :P *this fellow *was referring to me ??? :P
bahrom7893
  • bahrom7893
lol why the heck do ur questions have over 80 replies all the time??
anonymous
  • anonymous
Please go away if you're not gonna assist. That's a rhetorical question, anyway.
anonymous
  • anonymous
And yes MSW, I was referring to you.
bahrom7893
  • bahrom7893
i do assist actually.. anyone needs help?
anonymous
  • anonymous
lol !! well ... i felt bad
anonymous
  • anonymous
Why's that?
bahrom7893
  • bahrom7893
And Aubburrito please don't tell me what to do.
anonymous
  • anonymous
coz im a girl :P lol hahah
anonymous
  • anonymous
Fella goes for either gender, I believe.
anonymous
  • anonymous
oh comonnnn :P
anonymous
  • anonymous
That's why I chose it! Geeeeesh. Tough crowd.
anonymous
  • anonymous
haha ! okay
anonymous
  • anonymous
WAIT. No I wrote he and him. Asalksdjfljs
anonymous
  • anonymous
And this is why kids pick on me at school. x]
anonymous
  • anonymous
lol !! wher u from?
anonymous
  • anonymous
Eh. I live in Michigan. I hate it here.
bahrom7893
  • bahrom7893
lol now i regret responding here... im getting 15 notifications per minute..? u can chat in group chat? lol
bahrom7893
  • bahrom7893
haha, whatever..
anonymous
  • anonymous
lol
anonymous
  • anonymous
ur funny bahroom :) nice to seeee u again
anonymous
  • anonymous
Can you delete posts on here?
anonymous
  • anonymous
me?
anonymous
  • anonymous
Anyone
bahrom7893
  • bahrom7893
I can't but aubburritto check ur other question..

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