statistics(HELP)ASAP
posted by `leslie .
an art school knows that in general they go through 38 colored pencils per week. they have asked their students to hold their pencils differently over the past 10 weeks and wonder whether this has made a significant difference in the number of penccils they go through. dat aon pencils that are used up in the past 10 weeks are as follows:35,38,20,40,36,36,35,35,34,34

I see that bobpursley answered your question when you posted it as "kim"
http://www.jiskha.com/display.cgi?id=1362796427
What did you find as the standard of deviation?
Was it "significant" ?
Respond to this Question
Similar Questions

3rd grade
In a box of colored pencils, there are 5 fewer red pencils than green pencils. Use[] to stand for the number of green pencils. Write an expression that represents the number of red pencils in the box. 
MATH PLEASE HELP!!!!!
Carmen bought 3 box of pencils. Each box has the same number of pencils. She used 5 pencils and 7 pencils left over. How many pencils were in each box? 
statistics(HELP)ASAP
an art school knows that in general they go through 38 colored pencils per week. they have asked their students to hold their pencils differently over the past 10 weeks and wonder whether this has made a significant difference in the … 
math
Pencils come in cartons of 24 boxes.A school bought 50 cartons of pencils. Each box of pencils cost $2. How much did the school spend on pencils? 
Math
Mr. White notices that of the 30 students in his science class, 18 are using yellow pencils, 6 are using blue pencils, 4 are using erasable ink pens, and 2 are using mechanical pencils. If his class is representative of the student … 
Algebra
A school store has1200 pencils in stock, and sells an average of 24 pencils per day. The manager reorders when the number of pencils in stock is 500. In how many days will the manager have to reorder.? 
Math
Abby plans to purchase pencils as prizes for the school fair. The pencils cost $11.52 per case or can be purchased individually. With her available money, Abby can either buy ten cases of pencils and eight individual pencils or she … 
Common Core Math7
A school store has 1,200 pencils in stock and sells and average of 25 pencils per day. The manager reorders when the number of pencils in stock is 500. Write and solve an equation to find out how many days will pass before the manager … 
Math
Mrs. Hanson's class of 22 students shares 132 colored pencils Which statement is true? 
Math
Six gross of special drawing pencils were purchased for use in a department. If the pencils were used at the rate of 24 a week, the maximum number of weeks that the 6 gross of pencils would last is?