Ask Experts Questions for FREE Help !
Ask
    needhelp1111's Avatar
    needhelp1111 Posts: 5, Reputation: 1
    New Member
    		  
    #1

    Aug 23, 2008, 09:24 AM
    did homework. Is my answeres right?
    the average daily high tempretures recorded at a weather station is 80f during July. For a sample of six consective days in July, the difference between the recorded high and this average high were: -10 -8 -2 6 4 10

    1. compute for this dataset the average difference and standard deviation.

    average difference= 0
    standard deviation=8

    2. calculate the actual recorded tempretures on these six days: dataset b

    70 72 78 86 84 90

    3.calculate the average and standard deviation for dataset b

    average defiation=80
    standard defiation=8

    4compare and discuss the standard deviations obtained for dataset a and b

    average for b was stated in the question. B was obtained by adding average to average difference
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
    Expert
    		  
    #2

    Aug 25, 2008, 08:59 AM
    Calculations are correct, although you have a typo - "average defiation" in 3. Also, I think they're looking for a reason why the standard deviation for the two datasets is the same - it's not a coincidence.
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search


Check out some similar questions!

My HomeWork! [ 14 Answers ]

I no this shouldn't be in teens but I didn't know what to put it in I need an answer tonight (but if I don't get any its okay) For my art homework a have to think of someone to base my fashion project on.. I was going to do gerard way but it thought id rather do a famous emo girl so I can...

Homework in pre cal [ 1 Answers ]

simply this expression csc (theta)- cos (theta) cot (theta) find two real and imaginary zeros for this function: f(x)= x^4+x^3-2x^2+4x-24 convert these polar equations to rectangular form: r=3csc (theta) r=6sin (theta)

Homework language homework [ 1 Answers ]

You see well I have this homeworkassighmentthat isdo first thing in the morning so all I ask is that you write down some words in azorean langugauge! Words: Pencil Sharpener Paper Crayon Pen Binder

More homework [ 2 Answers ]

Calculating Present Value of Annuities Peter Wants to sell you an investment contract that pays equal 10000 amounts at the end of each of the next 20 years. If you require a return of .7% per month on this investment, how much will you pay for the contract today?

View more questions Search