Saturday

April 19, 2014

April 19, 2014

Number of results: 16,762

**Math**

For a normally distributed distribution of variable x, where the mean is 50, and standard deviation is 2.5, calculate: a) the percentile rank of x=45 b) the z-score of x=52.6 c) the percentile rank of x=58 d) the 29.12th percentile e) the 89.74th percentile f) the z-score of x...
*Sunday, April 25, 2010 at 8:56pm by Ally*

**Statistics: Percentile Rank**

A, B, C, E, F. Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores. D, E, F. Percentile rank is proportion ≤ that score. For D, start with the table to...
*Tuesday, October 18, 2011 at 1:48am by PsyDAG*

**statistics**

The following frequency distribution presents a set of exam scores for a class of N= 20 students. X F CF % C% 90-99 4 20 20 100 80-89 7 16 35 80 70-79 4 9 20 45 60-69 3 5 15 25 50-89 2 2 10 10 a)Using interpolation find the 30th percentile. The answer I came up with was 72. B...
*Sunday, January 27, 2008 at 6:39pm by Lezlie*

**percentile rank**

i would like to able to find the percentile rank of a z score 0.313152 can someone tell me how to do this.
*Saturday, April 9, 2011 at 10:05am by Ann*

**Statistics: Percentile Rank**

A survey of college students was conducted during final exam week to assess the number of cups of coffee consumed each day. The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. A. What proportion of students drank 7 or more cups of ...
*Tuesday, October 18, 2011 at 1:48am by Joy Chapman*

**Statistics: Percentile Rank**

A survey of college students was conducted during final exam week to assess the number of cups of coffee consumed each day. The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. A. What proportion of students drank 7 or more cups of ...
*Tuesday, October 18, 2011 at 1:48am by sue*

**statistics**

the average score on the statistics quiz was a 70, and there was a standard deviation of 10 points. If the z-socre was -1.0 what is the percentile rank?
*Sunday, March 2, 2014 at 1:04pm by kim*

**statistics**

The weight of a small Starbucks coffee is a random variable with a mean of 360 g and a standard deviation of 9 g. Use Excel to find the weight corresponding to each percentile of weight. a. 10th percentile b. 32nd percentile c. 75th percentile d. 90th percentile e. 99.9th ...
*Saturday, May 7, 2011 at 4:45pm by maribel*

**statistics**

Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. What is the percentile rank of a score of 89?
*Thursday, July 7, 2011 at 5:29pm by Anonymous*

**Statistics**

What is your percentile rank if you have an ACT of 24?
*Saturday, February 19, 2011 at 5:39pm by Korrie*

**Statistics**

Percentile rank is percent ≤ a score. Is that what you have?
*Monday, October 17, 2011 at 1:31am by PsyDAG*

**statistics**

A survey of college students was conducted during final exam week to assess the number of cups of coffee consumed each day. The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. a. What proportion of students drank 7 or more cups of ...
*Thursday, October 20, 2011 at 2:23pm by Scott*

**statistics**

Use x2prk formula to find the percentile rank of 84
*Wednesday, September 14, 2011 at 9:51am by marie*

**statistics**

Use x2prk formula to find the percentile rank of 84
*Wednesday, September 14, 2011 at 2:43pm by marie*

**statistics**

compute the percentile rank of the raw score 8 in the following distribution 8,5,6,9,3,5
*Monday, September 19, 2011 at 7:37am by Emily*

**statistics**

given the data set below what would be the percentile rank of the number 6 2;8;6;9;5
*Monday, October 17, 2011 at 5:02pm by Anonymous*

**Math**

Rank the following data in increasing order and find the positions and values of both the 39th percentile and 67th percentile. 5 9 9 0 7 2 5 6 9 1 0 6
*Thursday, November 10, 2011 at 7:40pm by Jennifer*

**statistics**

rank the following in increasing order and find the position and value of the 91st percentile show all work. 4,,5,4,9,9,1,0,7,4,8,0,9
*Monday, October 11, 2010 at 11:43pm by mary*

**Statistics**

The 60th percentile of a normal distribution is 110. The 70th percentile is 120. Find the 90th percentile.
*Thursday, March 7, 2013 at 10:23am by James*

**statistics**

Can a percentile have the VALUE of 517? Can a percnetile have the VALUE -5.8? Can a percentile have the RANK 517? Can a percnetile have the RANK -5.8?
*Wednesday, August 29, 2012 at 3:04pm by will*

**statistics**

rank the following data in increasing order and find the position and value of the 94,51st percentile. show all work. 4,5,4,9,9,1,0,7,4,8,0,9
*Monday, October 11, 2010 at 11:19pm by mary*

**statistics**

For a population of μ = 70 and σ = 20, find the z-score and percentile rank for each of the following X scores: 80, 100, 65, 40.
*Friday, February 22, 2013 at 10:13pm by jackee*

**algeba**

if a student's rank in a class of 400 students is 44 find the student's percentile rank.
*Tuesday, July 5, 2011 at 12:53am by john peters*

**algebra**

if a student rank in a class 400 is 87 waht id the student percentile rank
*Monday, June 11, 2012 at 1:58am by marie*

**Stats**

If a student's rank in a class of 300 students is 111, find the student's percentile rank
*Saturday, December 7, 2013 at 2:25pm by Justin*

**Check Statistics **

Calculate the first, second, and third quartiles of the following sample. 2 2 3 3 4 4 4 5 5 5 7 7 8 9 10 Are my answers correct: 25th percentile = 3 50th percentile - 5 75th percentile = 7
*Sunday, September 26, 2010 at 1:21am by Rhea*

**statistics**

For a population of μ = 70 and σ = 20, find the z-score and percentile rank for each of the following X scores: 80, 100, 65, 40.
*Saturday, June 11, 2011 at 6:53pm by julide smith*

**statistics**

It is the fifth highest of 6 scores. The percentile rank of a score is the percentage of scores in its frequency distribution that are the same or lower than it.
*Monday, September 19, 2011 at 7:37am by PsyDAG*

**statistics**

Using the data set below please calculate the 2;8;6;9;5 Range What would be the percentile rank of the number 6? Help please!
*Wednesday, October 12, 2011 at 2:24pm by Anonymous*

**Math**

Can someone please help me with these three question? I having a very difficlut time answering them May first question To select a _________ sample, the population is divided into disjoint subgroups according to some characteristics like income level, and then a few ...
*Saturday, February 26, 2011 at 9:02pm by Latisha*

**statistics**

1. Z (a standard score) = (score-mean/SD) Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores. Percentile rank is the proportion below or equal to a particular score.
*Friday, August 26, 2011 at 10:04pm by PsyDAG*

**statistics!**

I did not check #1. 2. Z = (score-mean)/SD Z = (683-500)/100 (calculate) T = 50 + 10Z Percentile rank = proportion ≤ score Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z ...
*Wednesday, October 24, 2012 at 7:54pm by PsyDAG*

**university of phoenix**

The weight of a small Starbucks coffee is a random variable with a mean of 360 g and a standard deviation of 9 g. Use Excel to find the weight corresponding to each percentile of weight. a. 10th percentile b. 32nd percentile c. 75th percentile d. 90th percentile e. 99.9th ...
*Wednesday, January 4, 2012 at 11:34pm by michelle*

**Math**

If a student's percentile rank in a class of 400 students is 87, how do I find the student's class rank.
*Saturday, February 26, 2011 at 10:01pm by David*

**math**

If a student's percentile rank in a class of 400 students is 87, find the student's class rank.
*Sunday, March 4, 2012 at 9:05pm by Anonymous*

**Statistics**

It might be better if you interpolated within the interval to get the 33rd percentile more exactly. For example, if 70 was the 30th percentile and 79 was the 40th, then 73 would be the 33rd percentile. I hope this helps a little more. Thanks for asking.
*Tuesday, February 12, 2008 at 10:47am by PsyDAG*

**Research and Statistics**

I want to ensure I've done this problem correctly. Thanks! 3. In one elementary school, 200 students are tested on the subject of Math and English. The table below shows the mean and standard deviation for each subject. Mean SD Math 67 9.58 English 78 12.45 One student’s Math ...
*Monday, January 31, 2011 at 3:10pm by Lauren *

**Math/Statistics**

Look up Z = 1.41 in the back of a statistics text in a table called something like "areas under a normal distribution." Since this is a percentile above the mean, the proportion is given in the larger part. Convert that to a percentile. I hope this helps. Thanks for asking.
*Wednesday, March 25, 2009 at 9:37pm by PsyDAG*

**Statistics**

Scores on the Stanford-Binet Intelligence scale have a mean of 100 and a standard deviation of 16, and are presumed to be normally distributed. A person who scores 68 on this scale has what percentile rank within the population?
*Monday, October 17, 2011 at 1:31am by Jen*

**statistics in psychology**

Given a mean of 60, with a standard deviation of 12, and with a raw score of 75, find: (a) the z-score, (b) percentile rank, (c) t-score, (d) SAT score, and (e) stanine score. Discuss why there are so many kinds of standardized scores.
*Thursday, May 12, 2011 at 3:25pm by sharon*

**Math**

How do you find the percentile rank of 4.6?
*Saturday, May 30, 2009 at 8:13pm by Angie*

**Stats...is this correct??**

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. Remember that it is below the mean, and percentile rank is % ≤ that score.
*Tuesday, October 18, 2011 at 9:54pm by PsyDAG*

**Stats....plz help....**

Rank the following data in increasing order and find the position and value of the 56th percentile. Please show all of your work. 0 1 6 8 9 9 8 6 3 1 0 9 How do i find the position and value of the 56th percentile??
*Sunday, October 16, 2011 at 10:03pm by Jennifer*

**Statistic**

the percentile rank of t5 = 1.476
*Wednesday, October 27, 2010 at 8:46am by vee*

**statistics**

Z = (score-mean)/SD Look up Z score on table in back ofr stats text labeled something like "areas under the normal distribution" to get proportion corresponding to the percentile rank (proportion equal to or below that score).
*Thursday, July 7, 2011 at 5:29pm by PsyDAG*

**Statistics**

25th percentile means 25% of score ≤ a score. Likewise for 75th percentile.
*Tuesday, June 5, 2012 at 4:04pm by PsyDAG*

**statistics**

Third Quartile = 75th percentile Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the Z score = 75th percentile. Put the appropriate values into this equation to solve for the score. Z = (score-mean)/SD
*Friday, September 10, 2010 at 1:37pm by PsyDAG*

**statistics**

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. Percentile rank is the proportion below a particular score. OR… http://davidmlane.com/hyperstat/z_table.html
*Sunday, March 2, 2014 at 1:04pm by PsyDAG*

**statistics college**

SATI SCORES AROUND THE NATION HAVE A MEAN SCORE AROUND 500 A STANDARD DEVIATION OF ABOUT 100 POINTS AND ARE APPROXIMATELY NORMALLY DISTRIBUTED A PERSON WHO SCORES A PERFECT SCORE OF 800 ON THE SAT I HAS APPROXIMATELY WHAT PERCENTILE RANK WITHIN THE POPULATION
*Tuesday, May 22, 2012 at 9:50pm by melba*

**math**

rachel is ranked 72 out of 451 students. whats her class rank percentile?
*Tuesday, November 16, 2010 at 6:34pm by alex*

**Statistics**

n=1000, bell-shaped Mean - 5,000 ~950 lie +/-100 of 5000 -4900 to 5100 Required 1) Standard Deviation 2) 97.5th percentile value 3) Z-score for 16th percentile
*Sunday, September 26, 2010 at 2:29pm by Rhea*

**Statistics: Percentile Rank**

All it has in the back of my textbook is Appendix A where it states, "Areas Under the Normal Curve (Z-Table)." Is this the correct table and what exactly am I supposed to look for? There are no straight numbers because on this table is just numbers that are in decimals. The ...
*Tuesday, October 18, 2011 at 1:48am by Joy Chapman*

**statistics**

Percentile is not the same as percent. How will you use the percent to determine percentile?
*Saturday, January 19, 2013 at 9:36pm by Writeacher*

**statistics**

1. Is this correct? 10/12=.83 =83rd percentile. 2. Is this correct? .58*12=6.9=7;7/12=58th percentile, 7th number = 15 15 corresponds to 58th percentile 3. Q1=10; Q2=14.5; Q3=22
*Saturday, January 19, 2013 at 9:34pm by anoneemose*

**Can comeone check my answer for me. Many Thanks!**

1. Yes. 2. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion between mean and Z = +1. (You we close.) 3. No, the percentile rank is the proportion of scores equal to or below a particular score. ...
*Monday, October 22, 2012 at 8:43pm by PsyDAG*

**Math**

What is the approximate percentile rank of a lightbulb that failed at 9000 hours if the number of lightbulbs is 400? The number of lightbulbs that lasted between 5400 and 9000 were about 326 lightbulbs. The mean is 7800 and the standard deviation is 1200 My guess was: ...
*Wednesday, December 5, 2012 at 1:36pm by alice*

**Statistics**

SAT I scores around the nation tend to have a mean scale score around 500, a standard deviation of about 100 points, and are approximately normally distributed. What SAT I score within the population would have a percentile rank of approximately 16?
*Monday, October 17, 2011 at 1:32am by Jen*

**statistics**

SAT I scores around the nation tend to have a mean scale score around 500, a standard deviation of about 100 points, and are approximately normally distributed. What SAT I score within the population would have a percentile rank of approximately 99?
*Friday, February 10, 2012 at 1:14am by babyfly04*

**statistic**

rank the following in increasing order and find the position and value of the 11th percentile show all work. 7 5 3 2 9 6 4 3 8 5 5 8
*Tuesday, October 12, 2010 at 7:59am by janet*

**Statistic**

Percentile is proportion score at or below a certain point. Median = 50th percentile. First quartile = 25th percentile. That should help you.
*Saturday, August 20, 2011 at 8:24pm by PsyDAG*

**statistics**

set of data is normally distributed with a mean of 200 and standard deviation of 50. · What would be the standard score for a score of 300? · What percentage of scores is between 200 and 300? · What would be the percentile rank for a score of 300? (Points : 6)
*Friday, August 26, 2011 at 10:04pm by Laynette*

**college statistics**

a set of data is normally distributed with a mean of 1000 and a standard deviation of 100.what would be standard score for a score of 900.what percent of scores is betyween 1000 and 900.what would be percentile rank for a score of 900.
*Sunday, June 3, 2012 at 4:51pm by melba*

**Statistics**

How do I find a percentile if I only have the mean and sd? ie...what IQ score is associated with the 65th percentile?-mean is 100 and sd is 15. Thanks in advance :)
*Sunday, April 22, 2012 at 11:30am by joey*

**statistics**

SAT I scores around the nation tend to have a mean scale score around 500, a standard deviation of about 100 points, and are approximately normally distributed. What SAT I score within the population would have a percentile rank of approximately 97.5? Show all work as to how ...
*Saturday, September 29, 2012 at 10:03am by Anonymous*

**Stats....how do i do this??**

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion (.16) and its Z score. (Remember that this Z score will be negative, because the percentile rank of 16 is below the mean.) Insert values into equation...
*Tuesday, October 18, 2011 at 9:59pm by PsyDAG*

**Stats**

Rank the following data in increasing order and find the position and value of the 56th percentile. Please show all of your work. 0 1 6 8 9 9 8 6 3 1 0 9
*Saturday, October 15, 2011 at 12:24pm by Jennifer*

**satistics**

Rank the following data in increasing order and find the position and value of the 65th percentile. Please show all of your work. 2 1 6 3 4 7 0 0 0 7 5 8
*Monday, August 20, 2012 at 1:03pm by latoya*

**statistics-normal distribution**

a set of data is normally distributed with a mean of 500 and a standard deviation of 100. a) what would the standard score fora score of 700 be? b) what % of scores is between 500 and 700? c) what would the percentile rank for a score of 700?
*Thursday, October 28, 2010 at 3:15pm by mary- can someone please solve,lost*

**statistics**

Sat scores l around the nation tend to have a mean score around 500, a standard deviation of about 100 points and are approximately normal distributions. a person who scores 600 on the sat 1 has approximately what percentile rank within the population? please show all ...
*Friday, October 15, 2010 at 5:41pm by please help in panic mode-mary*

**Algebra**

On a standardized test, the distribution of scores is normal, the mean of the scores is 75, and the standard deviation is 5.8. If a student scored 83, the student's score ranks 1. below the 75th percentile 2. above the 97th percentile 3. between the 75th percentile and the ...
*Tuesday, June 8, 2010 at 3:32pm by Priscilla*

**Math**

Suppose there are 400 students in your school class. What class rank is the 20th percentile?
*Wednesday, March 28, 2012 at 10:12pm by Bridget*

**math**

supposed that there are 440 students in class. What is the class rank of the student at the 20th percentile
*Sunday, May 5, 2013 at 11:59am by Anonymous*

**Statistics**

a. k =90 n = 20 90th percentile = k/100 *n 90/100* 20 =18 90th percentile = 69 b. percentile = R/(n +1) 8/(20+ 1) 8/21 = .38095 *100 =
*Sunday, November 3, 2013 at 11:46am by Kuai*

**Statistics**

Kyle averages 5 finished accounts a day. His standard deviation is 1 account per day and we want the percentile for a day where he finishes 8 accounts. The percentile will be between…
*Tuesday, April 24, 2012 at 1:38pm by Anthony*

**Algebra 2**

Find the values of the 30th and 90th percentiles of the data 18, 9, 7, 5, 11, 7, 17, 20, 19, 2, 17, 12, 5, 1, 13, 12, 11, 15, 16, 20 * 30th percentile = 9 90th percentile = 20 * 30th percentile = 9 90th percentile = 19 * 30th percentile = 11 90th percentile = 19 * 30th ...
*Monday, May 24, 2010 at 11:56pm by Skye*

**staticitics**

In any distribution, the median (50th percentile) is always higher than the first quartile (25th percentile) and the third quartile (75th percentile) is greater than the first quartile. The 29th percentile is always less than the 30th percentile. The mean = median only in a ...
*Tuesday, March 30, 2010 at 12:01pm by PsyDAG*

**Statistics**

Suppose the correlation between SAT Verbal scores and Math scores is 0.57 and that these scores are normally distributed. If a student's Verbals core places her at the 90th percentile, at what percentile would you predict her Math score to be/
*Tuesday, January 22, 2008 at 9:41pm by Courtney*

**statistics**

2. The results of a recent survey indicate that the average new car costs $23,000, with a standard deviation of $3,500. The price of cars is normally distributed. a. What is a Z score for a car with a price of $ 33,000? b. What is a Z score for a car with a price of $30,000? c...
*Monday, September 3, 2012 at 8:53pm by Sandra*

**statistics**

Arrange in order of value, lowest to highest. The fourth score is closest to 40th percentile. If there were ten scores, it would be exactly the 40th percentile. Did you have ten scores?
*Monday, February 18, 2013 at 8:57pm by PsyDAG*

**statistics**

what is the percentile for the data value. In a data set with a rane of 60.07 to 115 and 300 observations, there are 207 observations with values less thsn 85.4. Find the percentile for 85.4.
*Wednesday, March 7, 2012 at 8:35am by Rose*

**Statistics**

Given that a population of scores is normally distriibuted with u=100 and o=8, determine the following: a. The percentile rank of a score of 120 b. The perentage of scores that are below a score of 99 c. The percentage of scores that are between a score of 101 and 122 d. The ...
*Wednesday, August 14, 2013 at 1:26pm by Grand Canyon University*

**Research and Statistics**

2. The results of a recent survey indicate that the average new car costs $23,000, with a standard deviation of $3,500. The price of cars is normally distributed. a. What is a Z score for a car with a price of $ 33,000? 9.415000 b. What is a Z score for a car with a price of $...
*Saturday, September 11, 2010 at 10:37am by Moreen*

**statistics help please!**

Twelve college students were surveyed about the distance from their house to the college they attended. 12 18 54 13 15 24 8 5 14 27 1 20 1. Using the data set above, find the percentile ranking for the data point 24. (is this 75th percentile? 2. Using the data set above, what ...
*Sunday, January 20, 2013 at 2:55pm by anoneemose*

**statistics**

Women’s heights are normally distributed with a mean of 162 cm and standard deviation of 16 cm. a. Define an random variable, X, and describe its full distribution including the mean and variance. b. What percentage of heights are greater than 180 cm ? c. What height is at the...
*Sunday, December 4, 2011 at 8:54pm by Jasmine*

**statistics**

Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores. Reverse the process for the last two problems. first Quartile = 25 percentile or lowest 25% Second ...
*Friday, April 27, 2012 at 5:04pm by PsyDAG*

**Statistics**

Weights of male mountain lions follow the normal distribution with a median of 150 lb and an interquartile range of 8.2 lb. Find the 75th percentile of the weights. Find the 95th percentile of the weights.
*Thursday, March 28, 2013 at 1:43pm by Andrea*

**Statistics**

Dear Lee, Please confirm these answers to this question. your medical terminology instructor listed the following grades for the class out of a 75 point test: 33,34,43,45,45,54,55,59,60,62,64,66,67,68,67,68,68,69,70,70 a.find the 90th percentile b. your score was 59, what is ...
*Sunday, November 3, 2013 at 11:25am by Ben*

**math**

First, 10 is your minimum (the least)rather than 12, and 60 is your maximum (the most). 1. Q3 = 75th percentile 2. Q1 = 25th percentile Q2 = 50th percentile or the median. This is assuming that your quartile values are correct. I hope this helps. Thanks for asking.
*Tuesday, September 9, 2008 at 6:58pm by PsyDAG*

**Statistics**

suppose the correla tion between SAT Verbal scores and Math scores is .57 and that these scares are normally distributed. IF a student's Verbal score places her at the 90th percentile, at what percentile would you expect her Math scores to be?
*Tuesday, December 20, 2011 at 12:18am by Nic*

**statistics**

indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different. a. the 29th percentile is greater than the 30th percentile. b. the median is greater than the quartile c. the third quartile is greater than the first quartile d. ...
*Tuesday, May 4, 2010 at 9:42pm by Brooke*

**statistics**

Find 10-th, 60-th and 75-th percentiles in each of your data set, then write down each value that corresponds to those percentiles. Now use those values to find sample percentiles empirically (Suppose value “a” corresponds to 10-th percentile in my data set. After finding the ...
*Sunday, November 20, 2011 at 8:55am by metu*

**womens studies**

The word "ranking" suggests hierarchy: first rank, second rank, etc. The first rank is "higher" than the second rank. Therefore gender ranking implies one sex is higher or better than the other.
*Tuesday, September 25, 2007 at 1:11pm by Leo*

**statistics**

sat scores around the nation tend to have a mean score of about 500, a standard deviation of 100 points and are approximately normal distribution. a person who score 600 on the sat has approximately what percentile rank within the population? show all calculations. 600-500/100...
*Saturday, October 16, 2010 at 12:27pm by mary*

**Statistics**

Interquartile range = middle 50% You have 50 scores arranged in order of value. 25th percentile is between 12th and 13th score, and the 75th percentile is between 37th and 38th score. What is the range for these two points?
*Friday, March 18, 2011 at 11:34am by PsyDAG*

**Stats**

300-111 = 189 Percentile rank = 189/300 =63
*Saturday, December 7, 2013 at 2:25pm by Kuai*

**statistics**

Cat can you please work out his problem because i am not sure if my answer is correct. can you show your calculations, please, please, please. thank you. sat scores around the nation tend to have a mean score around 500, a standard deviation of about 100 points and are ...
*Friday, October 15, 2010 at 11:44pm by please help in panic mode-mary*

**Can comeone check my answer for me. Many Thanks! **

A set of data is normally distributed with a mean of 1000 and standard deviation of 100. · What would be the standard score for a score of 1100? · What percentage of scores is between 1000 and 1100? · What would be the percentile rank for a score of 1100? A. z(1100)= (1100-...
*Monday, October 22, 2012 at 8:43pm by Ashley S*

**psy 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 the Z score for that score. Change to a percentage. If you mean percentile, the percentile is the percentage of scores ...
*Tuesday, May 10, 2011 at 5:56pm by PsyDAG*

**statistics**

z=(x-μ)/σ Find the p-value of each z-score by looking it up in the z chart. It'll help you determine the percentile rank if you draw the normal distribution curve. http://www.mathsisfun.com/data/standard-normal-distribution-table.html
*Saturday, June 11, 2011 at 6:53pm by TutorCat*

**Statistics**

3. Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile. b. The median is greater than the first quartile. c. The third quartile is greater than the first ...
*Wednesday, July 7, 2010 at 10:55pm by Anonymous*

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