Posts by Amethyst

Total # Posts: 47

Math
The table shows how many miles Jack ran per week for weeks one through nine. x y 1 3 2 5 3 6 4 9 5 10.5 6 13 7 15 8 16 9 19 Question: a. Use the table to plot the points. b. Describe the correlation, including whether it is strong or weak. c. Draw a line of best fit. d. Write ...

Statistics
A wide variety of oak trees grow in the United States. In one study, a sample of acorns was collected from different locations, and their volumes, in cm3, were recorded. In the table are summary statistics for these data: N 38 Mean 3.0 Median 1.8 St. Dev. 2.6 Minimum 0.3 ...

Statistics
Consider the following data set: 3, 4, 6, 7, 9, 9, 11. Identify a number you could add to the set to keep the mean larger than the median.

Statistics
Consider the following data set: 3, 4, 6, 7, 9, 9, 11. Identify a number you could add to the set to keep the mean smaller than the median.

Stem and leaf plot help
I wish that my teachers make things that simple lol. thanks

Stem and leaf plot help
Assume that 2|2 = 22 2|2 3 7 8 9 3|0 5 5 4|1 6 5|0 0 1 6 6|4 5 How many numbers are in the original data set? What is the smallest number in the data set?

Statistics
What's the shape of the graph?

Statistics
Ohhh never mind I get it thanks

Statistics
I don't really understand..

Statistics
A die is rolled 16 times and the number that appeared for each roll was recorded. Number on die for each roll 5 2 2 6 1 4 6 1 1 3 5 2 2 3 4 4 If this data were to be displayed using a dot plot, what numbers would be displayed along the horizontal number line? Which numbers ...

Statistics
Someone help me understand this please?? The following is a frequency data set for test scores in a small class. Construct a cumulative frequency plot displaying the data on your own paper, calculator, or StatCrunch. Then, describe the the graph in a sentence or two. Be sure ...

Statistics
Pretty much, thanks

Statistics
Which of the following is not true about histograms? A) The bars must touch each other. B) A histogram may be symmetric or skewed depending on the selection of bin width. C) Each bin must have the same width. D) Histograms may represent categorical data. E) Histograms may have...

Statistics
Thank you

Statistics
So, 24, and 19 for the spread and the center is 21?

Statistics
I don't understand how to get the spread and center.

Statistics
The number of people are below the times (sorry it wouldn't let me spread it out)

Statistics
describe the distribution of the data with regard to the shape, outliers, center, and spread. Time Number of People 10 am - 11 am 20 11 am - 12 pm 21 12 pm - 1 pm 19 1 pm - 2 pm 21 2 pm - 3 pm 23 3 pm - 4 pm 19 4 pm - 5 pm 24 5 pm - 6 pm 23 6 pm - 7 pm 20 7 pm - 8 pm 23

MAth
A $4,500 loan, taken now, with a simple interest rate of 6% per year, will require a total repayment of $5,040. At what time t will the loan mature?

Government
I will. Thanks Ms. Sue.

Government
Yes, I really just don't understand what the electoral college is, and what it does.

Government
Imagine you are on a committee studying whether or not to make changes to the Electoral College system. What would you recommend? In a well-written paragraph, explain your position with at least three reasons.

Math
Someone please explain

Math
You have $5 for lunch. You bought a turkey sandwich for $2.25. Write an solve an inequality to show how much you can spend.

math
Thanks for no help.

math
Mark's doctors appointment was 35 minutes after Tyson 's appointment. Tysons appointment was 20 minutes after Timothy's appointment. Timothy arrived 8 minutes before his appointment. But 17 minutes after Raul's appointment. Which started at 9:30 am. At what ...

math
12.. so 10 & 12?

math
Uhhhh ...10? Heh

math
Oh 44. Now what?

math
I don't know how but I got 480

math
What's substitute? We never learned yet..

math
Oh! So I have to mulpite somethin next go get 44?

math
Wait so it doesn't show a picture..I don't really get it

math
Q. The rectangular-shaped doctor's office has an area of 120 square feet and a perimeter of 44 feet. What are the dimensions of this office space? - A. Do I add just add 120 by 44??

Math help
Choice-f

Business
Employed persons 2006-07 in Australia: -Proffestionals 19.3% -Intermediate clerical and service workers 16.5% -Associated professionals 12.9% -Tradespeople and related work 12.7% -Elementary clerical and service workers 9.3% -Labourers and related workers 8.6% -Managers and ...

American Government
I think she meant to ask: "What are the conditions that cause new democracies to survive and thrive or to fail?"

Math-Probability
17/20 as a percent is 85% so you guys are both wrong dumbies!

social studies,word unscrambler
Geography

chem
assign oxidation numbers to PF-6(aq)

science
yes Try reading wikipedia on both and you should be prepared for your exam. Good luck!

science
ozone is a natural cushion between the atmosphere and the earth, it protects us from very strong sunlight. as our ozone becomes depleted from pollution, which break down that protective layer, we then begin getting holes in our ozone. because of the holes, stronger and ...

i hate.."chemistry"
write the balanced half reaction for the conversion of HOBr(aq) to Br2(aq) in acidic solution

chemistry
i am a sophmore but i reallyy really suck at chemisrty i am passing with a c luckily but the teacher i have is really bad but thanxs soo much DrBob222

chemistry
write the balanced half reaction for the conversion of Cl2(g)to Cl-(aq)

science
write the balanced half reaction for the conversion of CL(g)to Cl-(aq)

science
write the balaced half-reaction for the conversion of Fe(s) to Fe2+(aq)