NT Help me with my homework.

toutle5

toutle5

197
10
Joined
May 15, 2007
Its a statistics class....

Random sample of 30 Spring Chinook smolt were sampled and weighed here are the weight in grams

14,19,19,15,16,12,16
16,12,12,12,14,15,12
13,16,13,14,14,15,14
16,14,12,18,16,15,11,18

A. Estimate the population variance and standard deviation from the sample data.

B. Estimate the quartile values

Thanks for the help!!!
 
damn, i remember how much i cheated in HS,

its not even funny

EVERYONE knew i was gunna cheat

and they were right

SMH
 
Originally Posted by inglewooood

damn, i remember how much i cheated in HS,

its not even funny

EVERYONE new i was gunna cheat

and they were right

SMH
Click to expand...
Apparently
laugh.gif


Just put everything in your graphing calculator and you'll find what you need. Look up on how to use it because you'll have to learn eventually and thesooner the better.
 
Statistics
smh.gif

Passed the AP course my senior year with a 95 and now i'm here in community college taking Elementary algebra
 
What happened to that homework thread that was made like a month ago?
 
I did this in literally 30 seconds...

> data=c(14,19,19,15,16,12,16,16,12,12,12,14,15,12,13,16,13,14,14,15,14,16,14,12,18,16,15,11,18)
> var(data)
[1] 4.82266

> sd(data)
[1] 2.196056

> summary(data)
Min. 1st Qu. Median Mean 3rd Qu. Max.
11.00 13.00 14.00 14.59 16.00 19.00


Up to you to show your work though.
 
Originally Posted by desoIation1

I did this in literally 30 seconds...

> data=c(14,19,19,15,16,12,16,16,12,12,12,14,15,12,13,16,13,14,14,15,14,16,14,12,18,16,15,11,18)
> var(data)
[1] 4.82266

> sd(data)
[1] 2.196056

> summary(data)
Min. 1st Qu. Median Mean 3rd Qu. Max.
11.00 13.00 14.00 14.59 16.00 19.00


Up to you to show your work though.
Click to expand...
laugh.gif
what was that MatLab?

I forget how to do this junk but it ain't that tough... damn if you can't do it.
 
Originally Posted by nkwu11

Originally Posted by desoIation1

I did this in literally 30 seconds...

> data=c(14,19,19,15,16,12,16,16,12,12,12,14,15,12,13,16,13,14,14,15,14,16,14,12,18,16,15,11,18)
> var(data)
[1] 4.82266

> sd(data)
[1] 2.196056

> summary(data)
Min. 1st Qu. Median Mean 3rd Qu. Max.
11.00 13.00 14.00 14.59 16.00 19.00


Up to you to show your work though.
Click to expand...
laugh.gif
what was that MatLab?

I forget how to do this junk but it ain't that tough... damn if you can't do it.
Click to expand...


I used a statistics program called "R"
 
How about you actually study the rudiments of statistics. Trust me it is will be one of the most powerful items at your disposal. If you know how to simplyread regressions, you can compile source after source and spend a lot less time researching in the future. With a little more training you can also find waysto cast doubt on any statistic used in an argument.
 
What amazes me is that 75% of the people coming in here to say no, probably don't know how to do it. Including me.
grin.gif



I'm going to be learning that stuff next semester in AP Probability/Statistics probably. Wish I could help OP.
 
Variance[{14, 19, 19, 15, 16, 12, 16
16, 12, 12, 12, 14, 15, 12
13, 16, 13, 14, 14, 15, 14
16, 14, 12, 18, 16, 15, 11, 18}]

StandardDeviation[{14, 19, 19, 15, 16, 12, 16
16, 12, 12, 12, 14, 15, 12
13, 16, 13, 14, 14, 15, 14
16, 14, 12, 18, 16, 15, 11, 18}]

Put those in Mathematica and you're set, no pun intended.
 
Thanks you guys.. its just I got stuck doing a paper and just dont wanna do the computations..
 
Originally Posted by desoIation1

Originally Posted by nkwu11

Originally Posted by desoIation1

I did this in literally 30 seconds...

> data=c(14,19,19,15,16,12,16,16,12,12,12,14,15,12,13,16,13,14,14,15,14,16,14,12,18,16,15,11,18)
> var(data)
[1] 4.82266

> sd(data)
[1] 2.196056

> summary(data)
Min. 1st Qu. Median Mean 3rd Qu. Max.
11.00 13.00 14.00 14.59 16.00 19.00


Up to you to show your work though.
Click to expand...
laugh.gif
what was that MatLab?

I forget how to do this junk but it ain't that tough... damn if you can't do it.
Click to expand...


I used a statistics program called "R"
Click to expand...

i used that program back in my stat 200 class
 
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