Monday

December 22, 2014

December 22, 2014

Total # Posts: 18,873

**Statistics (?)**

What is question 19? You cannot use copy and paste here.
*February 10, 2014*

**Statistics in Psychology**

A correlation coefficient cannot exceed ± 1. From your data, neither would be useful.
*February 10, 2014*

**Statistics in Psychology**

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 another post. Thank you. See your previous post.
*February 10, 2014*

**statistics**

Z = (score-mean)/SD Solve for Z.
*February 10, 2014*

**Statistics**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find...
*February 10, 2014*

**statistics**

Z = (score-mean)/SD
*February 10, 2014*

**statistics**

Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
*February 10, 2014*

**Statistics**

a. Find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. Standard deviation = square root of variance b. Z = (score-mean)/SD...
*February 10, 2014*

**algebra 2**

Since there is a plus sign between the two parentheses, add the like terms. 2b^2 + b^2 = 3b^2 -b + 4b = 3b 3b^2 + 3b - 4
*February 10, 2014*

**physics needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*February 10, 2014*

**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 another post. Thank you.
*February 10, 2014*

**STATISTICS**

Find a relatively large group of students, get their IQ and grade average, and do a correlation coefficient. To know the value of either variable, use a scatter diagram to find the other.
*February 10, 2014*

**Math (?)**

What is your question?
*February 9, 2014*

**Math**

(4+x)/(3+4+7+10+x) = 1/4 Solve for x.
*February 9, 2014*

**Math**

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 another post. Thank you.
*February 9, 2014*

**Research and Statistics**

Null hypothesis assumes no difference, while the alternative assumes some difference. Ho: x = y Ha: x ≠ y
*February 9, 2014*

**statistics**

Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
*February 9, 2014*

**Math Help**

It would help if you proofread your questions before you posted them. 1. Where is the = sign? 2. Change to common denominator. 20/24x + 6/24 = -54/24 20/24x = -60/24 Would that give you -2?
*February 9, 2014*

**Data apps and healthcare statistics**

Since this is not my area of expertise, I searched Google under the key words "information systems healthcare delivery" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=information+systems+healthcare+delivery&ie=UTF-8&oe=UTF-8 In ...
*February 9, 2014*

**Algebra 1**

(1-.30)x = 300 Solve for x.
*February 9, 2014*

**math**

I assume you mean 1 3/4 to get 75%.
*February 8, 2014*

**Stats**

They are all right.
*February 8, 2014*

**Stats**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .8 * (1-.6) = ?
*February 8, 2014*

**Algebra**

(8310-3320)/10 = ?
*February 8, 2014*

**science (Partial)**

2. gas, solid, liquid 3. It seeks the lowest level. 5. The water particles move so fast that they escape the liquid and become a gas. Foreign particles are deposited out.
*February 8, 2014*

**physics needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*February 7, 2014*

**math needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*February 7, 2014*

**Statistics**

If you are talking "P(X)", isn't that probability?
*February 7, 2014*

**Math**

Factor. (x+3)(x+3) = 0 x = -3
*February 7, 2014*

**Algebra**

f(10) = 10^3 = 1000
*February 7, 2014*

**Statistics**

False False True
*February 7, 2014*

**math (?)**

What is your question?
*February 7, 2014*

**Math**

Q1. Find the total, then divide each category by the total. Express as percentage. Q2. 1.85 * Total = ?
*February 6, 2014*

**math**

y = 8x In each case, substitute ticket number for x and solve for y.
*February 6, 2014*

**statistics (?)**

Data lacking. What are the mean, standard deviation and n for the sample?
*February 6, 2014*

**math(?)**

More data needed.
*February 6, 2014*

**math**

a. 7.25 * 8 * 5 * 52 = x b. x * 8 * 5 * 52 = 13,800,000 In both cases, solve for x and express in terms of dollars.
*February 6, 2014*

**math**

9/12(25) + 24.7/56(145) + 6.2/13.1(95) = total time in minutes Add total time to 9:03.
*February 6, 2014*

**math**

Both include all values <3.
*February 6, 2014*

**Human Relations Part 1**

Opposite Look up the terms online or in a dictionary.
*February 6, 2014*

**Human Relations Part 1**

Opposite
*February 6, 2014*

**maths**

4 + 2(5) + 3(10) + 2(20) + 6(.05) + 10(.10) + 12(.25) + 22.50 + 79 - 20 = ?
*February 6, 2014*

**Math**

3.5/1 = x/23 Solve for x.
*February 6, 2014*

**statistics**

√-2 = √-1(√2) √-1 = i (imaginary number) √2 = 1.41
*February 6, 2014*

**geology needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*February 5, 2014*

**geology needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*February 5, 2014*

**Chemistry needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*February 5, 2014*

**science**

We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though. biofuel for vehicles, wind or solar energy for homes Also, we do not have access to your ...
*February 5, 2014*

**Research Project: Anatomy & Physiology 1**

Definitely, but does it fit one of those systems mentioned above? How about arthritis or another cancer like melanoma (a skin [integumentary] cancer).
*February 5, 2014*

**maths**

24/20 = x/25 Solve for x.
*February 5, 2014*

**MATH**

Use same process as in previous post.
*February 5, 2014*

**MATH**

continuous, because you can get smaller and smaller intervals. Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to each of the Z scores.
*February 5, 2014*

**math**

Change to common denominator. 1/6 + 3/6 = 4/6 = 2/3
*February 4, 2014*

**Science**

With the books and notebook, aren't they being moved?
*February 4, 2014*

**Science**

I agree with the first, but not the second.
*February 4, 2014*

**Anatomy & Physiology**

Have you looked at a diagram of the eye? https://www.google.com/search?client=safari&rls=en&q=eye+anatomy&ie=UTF-8&oe=UTF-8
*February 4, 2014*

**Anatomy and Physiology**

Yes.
*February 4, 2014*

**STATISTICS**

Are these all the young adults playing Pokémon? Then it is a population.
*February 4, 2014*

**Statistics in Psychology**

Z = (score-mean)/SD Calculate the Z scores and compare.
*February 3, 2014*

**Statistics in Psychology**

13. Find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. Standard deviation = square root of variance Z = (score-mean)/SD ...
*February 3, 2014*

**Statistics (?)**

Is "n" the mean? Is "ox" the standard deviation? It would help if you abbreviations matched standard usage or you wrote out the terms. Where is the data from the sample?
*February 3, 2014*

**Anatomy and Physiology**

If it is a body cell, I would say C.
*February 3, 2014*

**Math**

Same process as in previous post.
*February 3, 2014*

**Math**

Find the mean (∑x/n) for your sample and multiply by 150.
*February 3, 2014*

**Psychology (statistics)**

Don't know about Q 25, but I would use the median and quartiles.
*February 2, 2014*

**Psychology (statistics)**

I don't understand your notation. However, to answer your question, convert the raw scores to standard scores, like the Z score. Z = (score-mean)/SD Which Z score, if any, is higher?
*February 2, 2014*

**Psychology**

If you cannot put the symbols in clearly, spell out the names for the concepts.
*February 2, 2014*

**Statistics**

We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though. However, I will give you a start. Find the means first = sum of scores/number of scores ...
*February 2, 2014*

**Finance needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*February 2, 2014*

**PSY (?)**

Same problem.
*February 2, 2014*

**PSY (?)**

Population mean = 100 and the standard deviation (SD) = 16, and N = 64? Do you know where the = sign is? Even so, we do not have data on the sample.
*February 2, 2014*

**mechanics/motion**

Tutors are online at different times. You may have to wait for a response to the problems you post.
*January 31, 2014*

**science**

We need to have the specific problems along with your answers before anyone can check them you.
*January 31, 2014*

**UGA**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Also you need to indicate the choices. Copy and paste do not work.
*January 31, 2014*

**Chemistry (?)**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. What is your question?
*January 31, 2014*

**statistics (?)**

What "this" are you considering?
*January 30, 2014*

**math (?)**

insufficient data
*January 30, 2014*

**Science needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*January 30, 2014*

**science**

agree
*January 30, 2014*

**Spanish**

My Spanish is rusty, but you don't want an infinitive. If in the future, Yo te presentaré a mis amigos. If in the present, Yo te presento a mis amigos. Except for a command, the direct object pronoun comes before the verb. Don't you want the third person plural ...
*January 30, 2014*

**Food Labels**

agree
*January 30, 2014*

**science**

0ºC = 273ºK 600K - 273K = 327C Do you have a typo?
*January 30, 2014*

**Bus. Math needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*January 30, 2014*

**math**

L = 2W - 1 2L + 2W = 40 Substitute 2W-1 for L in second equation and solve for W. Insert that value into the first equation and solve for L. Check by inserting both values into the second equation.
*January 30, 2014*

**math**

M = W +163 (W+163) + W = 2713 Solve for W, then M.
*January 30, 2014*

**Science**

We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though. Look up each of those terms in your text or Google them.
*January 29, 2014*

**Health (?)**

What is your question?
*January 29, 2014*

**math **

17.5/28 = x/36 Solve for x.
*January 29, 2014*

**bio statistics**

Again, what are the mean and standard deviation of the weight gains? Use the same process.
*January 28, 2014*

**statistics**

What are the descriptive statistics for newborn weights? Just from my personal experience with newborns, that is an unusually heavy baby. Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to ...
*January 28, 2014*

**math**

.75(16) = ? 16 - ? = ??
*January 28, 2014*

**science**

I assume that means how far he drove. 7 + 5 = ?
*January 27, 2014*

**biology**

Since this is not my area of expertise, I searched Google under the key words "photosynthesis cellular respiration compare" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=photosynthesis+cellular+respiration+compare&ie=UTF-8&oe=UTF...
*January 27, 2014*

**Algebra**

Agree
*January 27, 2014*

**literature**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*January 27, 2014*

**math needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*January 27, 2014*

**Anatomy & Physiology**

https://www.google.com/search?client=safari&rls=en&q=graves+disease+symptoms&ie=UTF-8&oe=UTF-8
*January 27, 2014*

**Psychology?**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. It seems like Margo.
*January 27, 2014*

**English**

We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.
*January 27, 2014*

**math**

O = W + 16 = 3W Solve for W, then either W+16 or 3W.
*January 27, 2014*

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