Sunday

April 20, 2014

April 20, 2014

Number of results: 236,059

**Statistics - Data Collection**

Which do you want, a random sample or matched pairs? http://stattrek.com/AP-Statistics-2/Experimental-Design.aspx?Tutorial=AP
*Wednesday, May 26, 2010 at 12:54am by PsyDAG*

**math**

Which would be more beneficial for someone (who intends on going to a university) to take senior year of high school: AP Statistics or AP Calculus?
*Thursday, February 14, 2013 at 10:49pm by Meg*

**Math**

I'm currently taking IBMS and it has elements of several types of math classes (calculus, statistics, algebra, etc.). It is the "lowest" level IB Math class one can take, but not necessarily for students who have a low background in math. I know one student who dropped AP Calc...
*Tuesday, August 20, 2013 at 2:02am by Katherine*

**AP Stats B**

B is the one without calculus I belive... anyways so descriptive statistics I\'m doing the 2004 AP Statisics AP test Section II part A like my teacher gives us old exams and this is one of those questions the question asks for a boxplot there are outliers the IQR gives me a ...
*Sunday, September 13, 2009 at 8:39pm by AP Stats B*

**AP Statistics**

Hi, we just started density curves in AP Stats, and I am a little confused about one of the concepts. It keeps saying that a density curve has to have an area equal to 1 below it... 1 of what? I don't understand how you figure out if the area of your curve is 1, or what unit ...
*Wednesday, September 2, 2009 at 8:30pm by Alex*

**AP Statistics**

Yes, I think so. Thanks :)
*Wednesday, September 2, 2009 at 8:30pm by Alex*

**AP**

The subject is Statistics
*Wednesday, February 2, 2011 at 11:06pm by Erica L*

**AP Statistics**

1533
*Saturday, November 3, 2012 at 2:29pm by Jessica*

**AP U.S History**

Anonymous -- are you sure you want to be in AP history? It's supposed to be a college-level class. If you can't comprehend the text, then perhaps you should drop this class and go into a regular history class. The principal of my granddaughters' high school advised prospective...
*Saturday, October 18, 2008 at 6:19pm by Ms. Sue*

**AP World History**

I'm sorry, I didn't mean to insult you. The principal of my granddaughters' high school told the students not to take AP history unless they really, really liked to read. My granddaughters took his advice, didn't take AP history, but excelled in AP English and math.
*Thursday, September 15, 2011 at 6:26pm by Ms. Sue*

**AP classes**

It depends upon the AP class in which you are enrolled. Be sure you ask for the AP sites online, when you are ready, and the Acorn Book, which details the class as well as what the exam will be like. Your teacher should have one and they are available through the AP site. Sra
*Tuesday, August 26, 2008 at 8:14pm by SraJMcGin*

**AP Statistics**

A. .0251 B. .0020 C. None
*Sunday, January 3, 2010 at 4:41pm by sally*

**AP Biology for Kate, etc.**

To save your looking for these AP Biology sites, I now have ready: AP Central, AP Fees, Study Tips, Reviews, Test-Taking Tips, Practice Quizzes, Sample AP Bio Tests & Scoring Guidelines and books either to purchase or to find in a library. Just let me know what you would like...
*Tuesday, July 6, 2010 at 10:30pm by SraJMcGin*

**Math**

AP = √((t-2)^2 + t^2) BP = √((t-4)^2 + t^2) b^2 = (AP+BP)^2 = AP^2 + 2 AP*BP + BP^2 = ((t-2)^2 + t^2)+((t-4)^2 + t^2) + 2√(((t-2)^2 + t^2)*((t-4)^2 + t^2)) = 4(t^2 - 3t + 5 + √(t^4-6t^3+18t^2-24t+16)) min b^2 = 20 when t = 4/3
*Friday, June 28, 2013 at 11:44am by Steve*

**AP Statistics**

This question was answered after it was reposted later
*Friday, January 9, 2009 at 9:40pm by drwls*

**AP Statistics**

What are your criteria for effectiveness? Can you quantify them? This is a place to start.
*Friday, December 16, 2011 at 8:30am by PsyDAG*

**AP US History**

I'm sorry you're taking advanced placement U.S. history. You should not be in this class because you're obviously not interested nor ready for college-level history. The principal of my granddaughters' school warned all potential AP students not to take AP history unless they ...
*Wednesday, September 26, 2012 at 6:07pm by Ms. Sue*

**Math**

The GCF is ap. ax^2 p-8pa-2axp = ap(x^2 -2x -8) The expression in parentheses can be easily factored. Take it from there
*Sunday, February 14, 2010 at 5:35pm by drwls*

**m/c**

Which of the following refers to when a researcher gathers data from a sample and uses the statistics generated to reach conclusions about the population from which the sample was taken? inferential statistics holistic statistics conclusive statistics descriptive statistics is...
*Thursday, May 20, 2010 at 8:55pm by Thara!*

**AP PSYCHOLOGY**

I have an AP Psychology test tomorrow and I would like practice AP questions but I don't know any sites.
*Tuesday, November 4, 2008 at 9:10pm by Roger*

**ALL OF JISHKA STAFF**

Hello I had a couple of questions and was woundering if you have staff members that are teaching or have taught AP BIOLOGY AP PHYSICS B AP CALCULUS AB AP CHEMISTRY I was told that the AP BIOLOGY teacher had gotten extremly ill =(, has he come back? Also can you tell me if you ...
*Thursday, August 19, 2010 at 2:07pm by Kate*

**ap**

You need to do two things. 1. You need to write chemistry for the subject and not ap. ap could be chemistry, of course, but it could be history, math, or a variety of others.' 2. You need to give us some idea of what you think the answer is and why. We try very hard to help ...
*Friday, October 5, 2012 at 6:49pm by DrBob222*

**Math**

make a diagram, showing the two trees at A and B, labeled h for the height of the shorter, and h+80 for the height of the taller. let P be the midpoint of AB , where AP = BP Then the angle at P for the taller tree is 82° , and the angle at P for the smaller tree is 67° then h/...
*Friday, August 19, 2011 at 2:20am by Reiny*

**Please Help AP Statistics?!?!?**

Please Help On this AP Statistics Problem!?!?!? Thanks Commercials Suppose that a commercial is run once on television, once on the radio, and once in a newspaper. The advertising agency believes that any potential consumer has a 20% chance of seeing the add on television, a ...
*Monday, March 24, 2008 at 4:23pm by Lyndsey Horton*

**AP Chemistry**

Hey I have the AP Chem test coming up and i was wondering where I could find the answer key to some of the AP Chemistry tests like 1994, 1999, and 2002 MC and FR
*Monday, April 14, 2008 at 1:35pm by Corey*

**AP BIOLOGY**

I have a quiz on genetics on friday in AP Biology and I would like some sites with good ap biology questions on them. I don't know any of them which I could go to.
*Wednesday, December 3, 2008 at 6:48pm by Roger*

**AP Statistics (math)**

Start with your scores at the mean/median. Spread them out from there, with extreme scores at 3 and 45 (mean/median ± 21).
*Friday, August 27, 2010 at 7:59pm by PsyDAG*

**physics**

thanks for the help earlier just got a question I'm taking AP Physics B this year does that mean next year I would Take AP Physics C??? I don't know if the material in C convers the same material plus the additional calculus material or what??? Could I take AP Calculus while ...
*Sunday, August 9, 2009 at 9:12pm by physics*

**HELP!**

Next year (sophomore year) I'm taking the following courses: Honors Algebra II/Trig Spanish III Health AP Biology Honors English AP World History Is AP Bio and world history hard? or no it's not just the exam. Please tell me because this is my first year taking AP.
*Monday, April 14, 2014 at 8:00pm by Erika *

**stats**

I have to do an observational study for an AP statistics course. Does anyone have any good ideas?
*Tuesday, May 13, 2008 at 4:26pm by Mischa*

**AP Statistics**

You are correct! (The distribution approaches a normal distribution.)
*Monday, October 29, 2012 at 3:28pm by MathGuru*

**statistics page on jiskha**

Does anyone find the picture as funny as I do? http://www.jiskha.com/math/statistics/ It's a baby holding a statistics textbook.
*Tuesday, September 9, 2008 at 11:48am by Leo*

**COURSE HELP PLEASE ms sue qq**

In high school, these courses are usually called Algebra I Algebra II Geometry Pre-calculus AP Calculus Biology AP Biology Chemistry AP Chemistry Physics AP Physics Work with your counselor to make sure you take the required courses for graduation AND as many of these as ...
*Saturday, February 1, 2014 at 9:33am by Writeacher*

**Math over it!!!!**

Multiply (a+p)(a^2-ap+p^2) Am I supposed to line these up then multiply a^2-ap+p^2 by p then by a?
*Saturday, September 25, 2010 at 9:29am by Sabrina*

**AP Statistics**

I am wondering how one could use anything but a binary choice on the pairing, answer b appears a good choice to me.
*Sunday, October 7, 2007 at 6:00pm by bobpursley*

**AP US History Exam**

Is it worth it to study for the AP US HIstory or AP European history exams the night before, or should I just get a lot of sleep and eat breakfast?
*Thursday, May 5, 2011 at 12:14pm by Alexis*

**AP Statistics (math)**

Find a set of numbers that will satisfy the following conditions: - the median of a set of 20 numbers is 24. - the range is 42. - to the nearest whole number the mean is 24. - no more than three numbers are the same.
*Friday, August 27, 2010 at 7:59pm by Ariellen*

**HELP!**

All AP classes are hard. After all, if you pass the exam, you'll get college credit. I'll repeat what my granddaughters'o high school principal told his students. AP history requires a lot of reading. If you don't love reading and history, don't take this class. Although my ...
*Monday, April 14, 2014 at 8:00pm by Ms. Sue*

**CHRIST MATH**

Divide 20 into 4 parts which are in AP such that ratio between the product of the 1st part and the 4th part to the 2nd and 3rd part is 2:3 find the AP
*Tuesday, March 12, 2013 at 7:01am by pavithra*

**AP US History**

I have an AP US history test on Tuesday and I would like practice AP questions to help prepare for the test but I don't know any of the websites. Could you give me a few to go to please? Thanks!
*Saturday, November 1, 2008 at 1:09pm by Roger*

**ap chemistry**

I have taken ap chemistry but I have language barrier and sometimes I don't get it and I am getting behind.We are already in chapter 9.I don't want to quit. What is the best way to improve and learn faster?Any practice I should do?What is the experience taking ap chemistry ...
*Sunday, November 4, 2012 at 4:07pm by zoya*

**question**

Take all of the hard classes you can. That includes physics, chemistry, AP statistics and precalculus. Your counselor can advise you better about when to take these subjects.
*Sunday, September 22, 2013 at 1:05pm by Ms. Sue*

**math**

Ab = (3.75/12)*(8/12) = 0.20833333 ft^2. = Area of each brick. Ap = 18.75 * 13.5 = 253.125 Ft^2. = Area of patio. Bricks = Ap/Ab = 253.125/0.20833=1215. ap
*Tuesday, November 27, 2012 at 12:30pm by Henry*

**Ap chemistry**

I'm taking ap chemistry also! I was just wondering about how much space they give you on an ap chemistry test the Multiple choice section, is it enough space for work? Do they give you scrap?
*Sunday, October 5, 2008 at 8:07pm by Jaqui*

**math**

The 8th term of ap is 5time the 3rd term, while the 7th term is greater than the 4th term, write the first 5 term of the ap
*Friday, March 30, 2012 at 3:45pm by wale*

**AP US History**

http://www.collegeboard.com/student/testing/ap/sub_ushist.html?ushist This is a really good place to get information on all aspects of the AP US History class and exam. Explore it fully. You can also explore the same aspects of other AP courses and exams.
*Saturday, November 1, 2008 at 1:09pm by Writeacher*

**Microeconomics: Cost of Production**

An Excel spreadsheet would be very helpful for these questions I looks like you need to "plot" total production. You are given the marginal product from adding each worker. Just convert that into total production. The first .5 workers gives 13 units of production (Q). The next...
*Monday, October 20, 2008 at 5:50am by economyst*

**AP Statistics**

if the probability of a swan drowning is .27, find the probability of exactly 4 out of the 7 swans drowning.
*Wednesday, January 6, 2010 at 9:28pm by Belle*

**AP US History**

What is the best book to buy to help me review for the AP test?
*Friday, April 25, 2008 at 11:02pm by Amanda*

**AP chem**

i had the same problem for ap chemistry and i looked at what you wrote but could you help me with it
*Wednesday, November 7, 2007 at 8:19pm by jill*

**AP Physics**

Oh, can you help me with some of my other AP work too? It's due in a week. Thanks, Ms. Sue.
*Sunday, August 1, 2010 at 6:15pm by Ranma*

**English**

Even though this is for AP US History, the ideas are still good for use in writing essays for any AP class: http://www.collegeboard.com/student/testing/ap/history_us/study_writing.html
*Friday, September 5, 2008 at 5:13pm by Writeacher*

**AP Bio**

What are the variables, hypothesis, and purpose for both parts of Osmosis and Diffusion AP Lab?
*Saturday, October 9, 2010 at 1:17pm by Lola*

**ap**

in an AP, if the 5th and 12th terms are 30 and 65 respectively. what is the sum of first 20terms
*Thursday, March 1, 2012 at 11:43pm by Anonymous*

**AP US History**

AP test review for dummies
*Friday, April 25, 2008 at 11:02pm by Anonymous*

**MATH**

AN AP has 21 term the sum of 10 ,11,12 term is 129 and sum of last 3 term is 237.find AP
*Saturday, February 15, 2014 at 1:26am by RAUNAK*

**AP Government**

Since you're taking an AP class, I'm sure your text has excellent information about this question.
*Wednesday, October 21, 2009 at 7:51pm by Ms. Sue*

**College and Social studies Courses**

Is Economic 201 or 202 equivalent to AP Microeconomic or AP Macroeconomic?
*Friday, November 15, 2013 at 6:58pm by Anonymous*

**math**

The 4th term of an AP is 3 times its first term and the 7 term exceeds the 3 term by 1.Find the 10 term of an AP.
*Thursday, December 8, 2011 at 8:13am by Habooba*

**AP Statistics - Sampling Distribution Help**

1) Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score. 2) Mean is the same, but SEm (standard error of the mean) = SD/√(n-1) 3) Use SEm fro #2 and the ...
*Thursday, February 3, 2011 at 6:46pm by PsyDAG*

**AP stuff**

"Come to... classroom after school (the possible dates will be announced later in April). There you will naswer 20 multiple choice questions based on the text, as well as AP style multiple choice questions. You will also answer 2 openended questions both of which will be ...
*Sunday, May 18, 2008 at 3:46pm by Me*

**AP Statistics**

As the degrees of freedom for the t-distribution increase, the distribution approaches the value of zero for the mean. the t-distribution. the normal distribution. the F distribution. I'm thinking C...
*Monday, October 29, 2012 at 3:28pm by Anonymous*

**arithmetic**

an ap consists of 21 terms.the sum of 3terms in the middle is 129 and of the last three is 237 find the AP.
*Thursday, March 1, 2012 at 11:18pm by Anonymous*

**arithmetic**

an ap consists of 21 terms.the sum of 3terms in the middle is 129 and of the last three is 237 find the AP.
*Thursday, March 1, 2012 at 11:21pm by Anonymous*

**AP US History**

well ms.sue the fact that she can't answer the question doesn't mean she doesn't have the potential to be in an AP class.
*Wednesday, September 26, 2012 at 6:07pm by janet *

**Stressed out!**

I would definitely advise you to switch out. When two of my granddaughters were in high school, they took several AP classes. However, at an assembly their principal advised the students not to take AP history unless they really LOVED to read a lot! My granddaughters did not ...
*Sunday, September 15, 2013 at 9:31pm by Ms. Sue*

**AP Physics**

Have you passed the AP exams?
*Sunday, August 1, 2010 at 6:12pm by Ms. Sue*

**Statistics**

I need to do a project for ap stats. It can be anything im interested in, and i have to perform some tests and all that I need some ideas!! Somthing that would be interesting..
*Wednesday, May 28, 2008 at 6:21pm by MJ*

**statistics**

Statistics play s a major role in the health care field in today's environment. Please provide how statistics can be important and influential in the nursing profession. Provide at least two examples where you ahve observed statistics to contribute positively to the needs of ...
*Tuesday, May 18, 2010 at 3:44pm by cortez*

**11th grade:AP Biology**

I think you go to my school Matt. I had that exact question on my AP Bio test.
*Wednesday, December 3, 2008 at 12:06am by Anonymous*

**Statistics**

The AP reported that in a sample of 507 people only 142 correctly described the Bill of Rights as the first ten amendments to the U.S. Constitution. Calculate a 95% confidence interval for the proportion of the entire population that could give a correct description.
*Saturday, April 21, 2012 at 5:42pm by lola*

**AP Biology**

You might like the site for the College Board AP Biology: http://www.collegeboard.com/student/testing/ap/sub_bio.html Sra
*Saturday, March 12, 2011 at 9:10pm by SraJMcGin*

**AP Statistics**

I would also say D. If a problem does not say "assuming a normal distribution" in its statement, then one can use the t-distribution instead for smaller sample sizes (less than 30).
*Monday, October 29, 2012 at 3:28pm by MathGuru*

**AP Statistics**

Formula: Standard error = √(pq/n) With your data: p = 21/32 (convert to a decimal); q = 1 - p; and n = 32 (sample size). Plug the values into the formula and calculate.
*Saturday, November 3, 2012 at 2:29pm by MathGuru*

**AP Statistics**

Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in a previous post. Thank you.
*Wednesday, December 17, 2008 at 1:29am by PsyDAG*

**Geometry**

PD = d, AP = 2d, AP/AD = 2d/(d+2d) = 2d/3d = 2/3. AP/AD = 2/3, AP = (2/3)AD. x -1 = @/3(7-1), x -1 = 4, X = 4+1 = 5. y-4 = 2/3(13-4), y-4 = 6, Y = 6 + 4 = 10. P(5,10).
*Wednesday, August 17, 2011 at 6:32pm by Henry*

**us history**

You're wasting your time and money. The only way to get college credit for an AP class is to pass the standardized AP exam.
*Wednesday, September 26, 2012 at 8:23pm by Ms. Sue*

**ap chemistry**

it's 8*10^-6 because the hydroxide concentration is squared. trust me, we went over this in my ap chem class (I got that originally wrong too)
*Tuesday, October 19, 2010 at 9:40pm by apchem*

**AP Stats**

Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to that Z score.
*Tuesday, September 14, 2010 at 9:38pm by PsyDAG*

**AP PSYCHOLOGY**

Try collegeboard. com Use the Student link. Under the College Board test link is another link called AP. Go to the classes link, and click on psychology. It should have a lot of information, and practice questions. I use this same site for AP History. Just search around on ...
*Tuesday, November 4, 2008 at 9:10pm by Kiley*

**AP Statistics**

Your mathematics instructor claims that, over the years, 88% of his students have said that math is their favorite subject. In this year's class, however, only 21 out of 32 students named math as their favorite class. The instructor decides to construct a confidence interval ...
*Saturday, November 3, 2012 at 2:29pm by Blegh*

**ap Physics**

Is it common in AP classes to use all capital letters? Most teachers find it annoying and rude, like shouting.
*Monday, January 3, 2011 at 12:47am by drwls*

**Statistics**

What is an example of a research problem at your organization that would benefit from the use of either descriptive statistics or probability distribution statistics?
*Monday, October 11, 2010 at 3:10pm by Kathy*

**statistics**

I've got to do a project in my math statistics unit. Surveying people on a resturant. How do I do a draft on poster paper?
*Tuesday, May 17, 2011 at 1:47pm by Hunter*

**statistics -- needs help**

That's really a statistics question. Please wait until a math tutor comes online.
*Wednesday, October 5, 2011 at 6:04pm by Ms. Sue*

**statistics**

Follow the guidelines here: http://math.about.com/od/statistics/a/MeanMedian.htm The three statistics they have in mind are probably median, mean and mode. In this case, there is no mode, since no number appears more than once.You might tell them what the range is, instead of ...
*Sunday, January 8, 2012 at 11:26pm by drwls*

**9th grade Eng pre ap**

Megan -- if you intend to continue in AP English, I urge you to learn to phrase your questions so that other understand what you need.
*Monday, September 8, 2008 at 8:22pm by Ms. Sue*

**AP Statistics**

I assume that you are talking about a normal distribution with a mean of 1152 and standard deviation of 84. A Z score is the score in terms of standard deviations (SD), with -2 SD usually being considered low. Z = (x - ƒÊ)/SD, where x = weight value and ƒÊ = mean. Solve for ...
*Friday, November 16, 2007 at 11:10pm by PsyDAG*

**10th math**

The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms is 44. Find the first three terms of AP
*Wednesday, July 30, 2008 at 9:30pm by Monila sharma*

**statistics page on jiskha**

Super!!!!! That poor child looks as befuzzled as I feel when confronted with statistics. Besides, statistics are illogical <G>
*Tuesday, September 9, 2008 at 11:48am by GuruBlue*

**Question**

There is no set answer, Laruen. The important thing is to pass the AP exam after you've taken the class. Remember, AP classes (Advanced Placement) are college level classes. Students who pass the end of year exam for an AP class earn college credit for that class.
*Saturday, December 24, 2011 at 2:22pm by Ms. Sue*

**AP Statistics**

if the probability of a dribbling drummer is .38, find the standard deviation of the dribbling drummers drumming for the twelve drummers drumming
*Wednesday, January 6, 2010 at 9:31pm by Belle*

**7th grade math**

aa, ao, ap, oo, op there are five, unless order is important: aa, ao, ap, oo, op, oa, pa, po and then there are eight.
*Thursday, May 22, 2008 at 7:50pm by zola*

**statistics anova**

a professor is interested in whether there is a differnce in counseling student's statistics competency scores among 1) those who have never taken any statistics ourse, 2) those who have only taken an undergraduate statistics course, 3)
*Monday, February 27, 2012 at 3:04pm by caryn*

**Math**

make a sketch, labeling the balloon P and the point directly below it on the ground as Q (We have to find PQ) Label the first observer as A and the second as B AB = 3 angle PAB = 15° , angle PBQ = 24° In triangle PAB, angle A = 15, angle PBA = 156° , so angle APB = 9° by the ...
*Thursday, August 1, 2013 at 11:42am by Reiny*

**AP Statistics**

A standard deck of cards consisting of 52 cards, 13 in each of 4 different suits, is shuffled, and 4 cards are drawn without replacement. What is the probability that all four cards are of a different suit?
*Wednesday, December 4, 2013 at 8:24pm by Emily*

**question**

is it better to take physics or chemistry if taking both whats better to take 1st in sophomore year better to take ap statistics or precalculas for becoming an architect
*Sunday, September 22, 2013 at 1:05pm by jim*

**word problem**

A College sold Advance tickets to a play at $4 per ticket. Anyone who attended and purchased a ticket at the door had to pay $5 a ticket. A total of 480 people attended the play, and the revenue (earnings) from the ticket sales was$ 2100. How many people bought tickets at the ...
*Saturday, October 21, 2006 at 11:06am by Josh*

**10th math**

use your two formulas for the general term of an AP and the sum of terms of an AP a+3d + a+7d = 24 ----> 2a + 10d = 24 and 6/2[2a + 5d] + 10/2[2a+9d] = 44 now solve these two equations in two unknowns
*Wednesday, July 30, 2008 at 9:30pm by Reiny*

**AP classes**

I am taking an AP class for the first time. How does this differ from regular classes and what should I expect. (11th grade)
*Tuesday, August 26, 2008 at 8:14pm by Sean*

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