Ask your own question, for FREE!
Mathematics 8 Online
rootbeer003:

Help with algebra 2?

rootbeer003:

1 attachment
Hero:

Hi @rootbeer003 Have you attempted to create a frequency table yet?

rootbeer003:

No i have not

Hero:

Okay, so it says to use 5 - 14 as the first class interval when creating our frequency table. In other words, create interval sets of ten starting with 5 like so: 5 - 14 | 15 - 24| 25 - 34| 35 - 44| 45 - 54| 55 - 64| 65 - 74| 75 - 84|

rootbeer003:

Do u want me to write that down? the table

Hero:

So now we will list each of the items that occur within their respective interval. I will do the first interval: 5 - 14 | 10, 12, 12, 12, 14 15 - 24| 25 - 34| 35 - 44| 45 - 54| 55 - 64| 65 - 74| 75 - 84| @rootbeer003, Can you try listing the items that occur for the next interval?

Hero:

I'd prefer if you attempted to write the table down in the chat. You're free to also do it on a separate piece of paper first.

Hero:

I mean here, not in the chat.

rootbeer003:

5 - 14 | 10, 12, 12, 12, 14 15 - 24|16, 16,18,19,20,24  25 - 34| 35 - 44| 45 - 54| 55 - 64| 65 - 74| 75 - 84|

rootbeer003:

i might have missed one..

rootbeer003:

oh 17

rootbeer003:

5 - 14 | 10, 12, 12, 12, 14 15 - 24|16, 16,17,18,19,20,24  25 - 34| 35 - 44| 45 - 54| 55 - 64| 65 - 74| 75 - 84|

Hero:

5 - 14 | 10, 12, 12, 12, 14 15 - 24|16, 16, 17, 18,19,20,24  25 - 34| 25, 25, 26, 26, 30, 30, 33, 33 35 - 44| 45 - 54| 55 - 64| 65 - 74| 75 - 84|

Hero:

Your turn

rootbeer003:

5 - 14 | 10, 12, 12, 12, 14 15 - 24|16, 16, 17, 18,19,20,24  25 - 34| 25, 25, 26, 26, 30, 30, 33, 33 35 - 44| 36,38,40,40 45 - 54| 55 - 64| 65 - 74| 75 - 84|

Hero:

5 - 14 |10, 12, 12, 12, 14 15 - 24|16, 16, 17, 18,19,20,24  25 - 34|25, 25, 26, 26, 30, 30, 33, 33 35 - 44|36,38,40,40 45 - 54|50, 52 55 - 64| 65 - 74| 75 - 84|

Hero:

Almost there. Just three more rows to go.

rootbeer003:

5 - 14 | 10, 12, 12, 12, 14 15 - 24|16, 16, 17, 18,19,20,24  25 - 34| 25, 25, 26, 26, 30, 30, 33, 33 35 - 44| 36,38,40,40 45 - 54| 50,52 55 - 64| 56, 65 - 74| 75 - 84|75,82

Hero:

So now we should draw a histogram and in order to do that, we should first space these out properly: 5 - 14 |10, 12, 12, 12, 14 15 - 24|16, 16, 17, 18,19,20,24  25 - 34|25, 25, 26, 26, 30, 30, 33, 33 35 - 44|36, 38, 40, 40 45 - 54|50, 52 55 - 64|56, 65 - 74| 75 - 84|75, 82

rootbeer003:

Thats gunna be one long histogram

rootbeer003:

How will we start it?

Hero:

So the thing is, I used a particular website to create our histogram so let me show you something.

rootbeer003:

Ok

Hero:

|dw:1497051759026:dw|

rootbeer003:

Interesting, so would i try and redraw the first 1 or use the second one?

Hero:

Hang on. Let me post the histogram with the correct interval count

Hero:

|dw:1497052000024:dw|

Hero:

If you want to create your own, you can go here: http://www.shodor.org/interactivate/activities/Histogram/

Hero:

So now that we have it, now we can try to figure out which distribution type corresponds to the histogram.

Hero:

Do you already have a list of distribution types to choose from?

rootbeer003:

I dont

rootbeer003:

Do i put that pic on the paper too?

Hero:

You don't have your class notes which list them? Because there are many distribution types but for your class, it might only use maybe four rather than ten for example

rootbeer003:

Let me check

rootbeer003:

I doesnt say anything

rootbeer003:

only says ' the normal distribution '

Hero:

Seems strange. There are other distribution types besides that. Is there a way for you to share your notes?

rootbeer003:

OH idk if its what u need but it says this

rootbeer003:

skewed distribution,bell-shaped distribution,uniform distribution ?

Hero:

There we go. Yes, that's what I was looking for. Cool, because there are so many different types of frequency distribution, there's no telling what terminology your particular class uses. Cool. So let me post something in response to that.

rootbeer003:

Ok ill be back in a few minutes while you look over that.

Hero:

1497053054-593b28f34b4728f4c9ce3000-FrequencyDistribution.png

Hero:

Okay, so these are the frequency distribution types your class is currently studying. So tell me, amongst the ones you see, which do you think best reflects that which we have created?

rootbeer003:

@Hero

rootbeer003:

Sorry my website keeps shutting down..

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!