Fill in the blanks with the appropriate raw scores, zscores, Tscores, and percentile ranks. NOTE: the Mean = 50, SD = 5. ________________________________________ Raw z T %ile ________________________________________ 35 1.2 35 16
10,689 results
statistics
The box plot below summarize the distributions of SAT verbal and math scores among students at an upstate New York high school. 300 400 500 600 700 800 data Whic of the following statements is false? 1. The range of the math scores equals the range of the

statistics
In an extensive study involving thousands of British children, Arden and Plomin (2006) found significantly higher variance in the intelligence scores for males than for females. Following are hypothetical data, similar to the results obtained in the study.

Statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b.

statistics
The outcome of a standardized test is an integer between 151 and 200, inclusive. The percentiles of 400 test scores are calculated, and the scores are divided into corresponding percentile groups. Quantity A Minimum number of integers between 151 and 200,

Statistics... I need help
. Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: (Hint: Make a drawing and label first) a. Percentage of scores less than 100 b. Relative

statistics
Scores from a statistics exam are reported as deviation scores. Which of the following deviation scores indicates a higher position in the class distribution?

Stats
Suppose the correlation between SAT Verbal scores and Math scores is 0.57 and that these scores are normally distributed. If a student's Verbal score places her at the 90th percentile, at what percentile would you predict her Math score to be?

Statistics
5. Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. a. What is the probability that a randomly selected exam will have a score of at least 71? b. What percentage of exams will have

statistics
Calculate SS, variance, and standard deviation for the following sample of n=9 scores:2,0,0,0,0,2,0,2,0.(Note: The computational formula for SS works best with these scores.) I keep getting the wrong numbers. Thank You.

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

Mathstatistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantiles: a.percentage of scores less than 100 b. relative frequency of scores less than 120 c.

statistics
Using the 689599.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of

stats.
The GMAT test is required for admission to most graduate programs in business. In a recent year, the GMAT test scores were normally distributed with a mean of 550 and standard deviation of 100. A. Find the first quartile for the distribution of GMAT

statistics
We have a group of 75 people and for their raw scores, you are given the Mean (M = 30) and variance (VAR = 16). Assuming a normal distribution of scores, what is the probability of randomly selecting a score between 27 and 31 for this group?

Basic Statistics
The math grades on the final exam varied greatly. Using the scores below, how many scores were within one standard deviation of the mean? How many scores were within two standard deviations of the mean? 99 34 86 57 73 85 91 93 46 96 88 79 68 85 89

statistics
3. Fill in the blanks with the appropriate raw scores, zscores, Tscores, and percentile ranks. Note: the Mean = 50, SD = 5. Raw z T %ile 35 1.2 35 16

statistics
Fill in the blanks with the appropriate raw scores, zscores, Tscores, and percentile ranks. NOTE: the Mean = 50, SD = 5. ________________________________________ Raw z T %ile ________________________________________ 35 1.2 35 16

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/

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?

Stats
A sociology professor assigns letter grades on a test according to the following scheme. A: Top 14% of scores B: scores below the top 14% and above the bottom 55% C: scores below the top 45% and above the bottom 17% D: scores below the top 83% and above

statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard devaiton of 20. Use the 689599.7 rule to find the following quantities: a. percentages of scores less than 100 b. relative frequency of scores less than 120

statistics
Given a normal distribution of scores with a mean of 100 and a SD of 10, compute z scores for the following raw valves: 95, 115, 80, 130.

Psychology, statistics
On a measure of artistic ability, the mean for college students in New Zealand is 150 and the standard deviation is 25. Give the z scores for new Zealand college students who score (a) 100, (b) 120 and (c) 140. Give a raw scores for persons whose Z scores

Statistics
In a normal distribution of scores, four participants obtained the following deviation scores: +1, 2, +5, and 10. (a) Which score reflects the highest raw score? (b) Which score reflects the lowest raw score? (c) Rankorder the deviation scores in terms

Statistics
Please Help! Check My Answer!! The following frequency distribution analyzes the scores on a math test. Find the class boundaries of scores interval 4059 Scores Number of Students 4059 2 6075 4 7682 6 8394 15 9599 5 39.5, 59.5 39.5, 58.5 40.5,

statistics
5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a

statistics
Calculate SS, variance, and standard deviation for the following population of N _ 7 scores: 8, 1, 4, 3, 5, 3, 4. (Note: The definitional formula works well with these scores.)

statistics
i have a question regarding statistics. i just don't know how to do it and would really appreciate if someone could tell how i can solve it. the question is; a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11 a) there are 5x5=25 different

Algebra
Test scores of average 7th grade class are: 77,83,92,66,89,74,98,79,85,75,80,88,76,96,84,100,71,93,70,82 The mean is 82.9 and the standard deviaition is 9.7 1. What score is in the 80th percentile? 2. Your teacher tells you that your score beat 78% of the

statistics
The grades on the final examination given in a large organic chemistry class are normally distributed with a mean of 72 and a standard deviation of 8. The instructor of this class wants to assign an “A” grade to the top 10% of the scores, a “B”

Statistics
Among first year students at a certain university, scores on the Verbal SAT follow the normal curve; the average is around 550 and the SD is about 100. a) what percentage of these students have scores in the range 400 to 700? b) There were about 1000

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

business statistics
The scores on a standardized exam are normally distributed with mean= 50 and variance=16. (a) what percentage of the scores exceed 58? (b) what percentage of the scores lie between 38 and 54? (c) what is the 84th percentile of the distribution?

statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: Suggest you make a drawing and label first… a.Percentage of scores less than

statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b.

statistics
Assume that a set of test scores is normally distrbuted with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: Suggest you make a drawing and label first.... a. Percentage of scores less than 100. b.

statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b.

auguta tech
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: a. Percentage of scores less than 100=50 percent b. Relative frequency of scores less than

math
the following scores were recorded on a 200point final wxam 193,185,186,192,135,158,174,188,172,168,183,195,165,183. what is the mean please and is the mean or the median mor improtant for this Please see the other posts to figure out how to find the

statistics
Using the 689599.7rule. Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: a. percentage of scores less than 100 b. relative frequency of

Mathematics
Find the average of all scores if there are: ten scores of 9 eight scores of 8 ten scores of 7 three scores of 6 Round to one decimal place.

statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: a. Percentage of scores less than 100 b.Relative frequency of scores less than 120

Statistics
Fill in the blanks with the appropriate raw score, z score, t scores . Mean =50, sd = 5. Raw 35

statics
Using the 689599.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: Suggest you make a drawing and label first…Drawings need not

Educational Research
Assume that 150 scores are normally distributed with a mean of 92 and a standards deviation of 11.5 What is the 50th percentile of the scores?

statistics
Using the 689599.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of

stats
Using the 689599.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of

Statistics
For a normal distribution with a mean of m = 80 and a standard deviation of s = 20, find the proportion of the population corresponding to each of the following scores. a. Scores greater than 85 b. Scores less than 100 c. Scores between 70 and 90 I believe

statistics
For a population with a mean of 250 and a standard deviation of 47, return each of the following z scores to raw scores on this variable. a. 0.54 b. 2.66 c. 1.0 d. 1.79

statistics
On a standard measure of hearing ability, the mean is 300 and the standard deviation is 20. Give the Z scores for persons who score (a) 340, (b) 310, and (c) 260. Give the raw scores for persons whose Z scores on this test are (d) 2.4, (e) 1.5, (f) 0, and

statistics
1. On a measure of anxiety, the mean is 79 and the standard deviation is 12. What are the zscores for each of the following raw scores?

Math
105 91 82 59 97 72 72 88 81 What is the mode of these scores? A.46 B.72 C.82 D.83 B? 2.The test scores of 1 students are shown below 95 63 78 86 84 86 91 95 72 93 87 74 What is the median score of the 6 highest grades? A.86 B.91 C.92 D.93 C? 3.The test

statistics
Answer the following. Show your work to get credit. Exam scores are normally distributed with a mean of 81 and a standard deviation of 9. a) What is the minimum score one must have to be in the top 4% of the students taking the exam? b) What percentage of

Math Statistics
Answer the following. Show your work to get credit. Exam scores are normally distributed with a mean of 81 and a standard deviation of 9. a) What is the minimum score one must have to be in the top 4% of the students taking the exam? b) What percentage of

statistic
Using the 689599.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: a. Percentage of scores less than 100 b. Relative frequency of

Behavioral Statistics
Let's say that the standardized test had 100 possible points. If we wanted to identify the top 25%, why not just select those with raw scores above 75? Why do we have to standardize the scores?

Behavioral Statistics
Let's say that the standardized test had 100 possible points. If we wanted to identify the top 25%, why not just select those with raw scores above 75? Why do we have to standardize the scores?

statistics
using the 68 9599.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard diviation of 20. Use the 689599.7 rult to find the following quantities: percentage of scores less than 100 relative frequency of

Algebra
I do not understand this homework at all. Any help or elaboration would be greatly appreciated. Thanks. 100 juniors at Southwest High took the SAT test. The scores were distributed normally with a mean of 22 and a standard deviation of 3. Label the mean

Statistics
In a normal distribution of scores, four participants obtained the following deviation scores: 11, 22, 15, and 210. (a) Which score reflects the highest raw score? (b) Which score reflects the lowest raw score? (c) Rankorder the deviation scores in terms

auguta tech
a. Percentage of scores less than 100=50 percent b. Relative frequency of scores less than 120= 0.34+0.135+0.0235+0.015+0.84 c. Percentage of scores less than 140 d. Percentage of scores less than 80 e. Relative frequency of scores less than 60 f.

statistics
5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a

Business statistic
Maria and Juana recieved scores of 82 and 65, respectively. If these score are equivalent to zscores of 1.6 and 0.2, respectively,what are the mean and the standard deviation of the scores of all the students who took the examination?

Statistics
Suppose that a sample of 50 scores has a mean of Y=90 and the standard deviation is 15. Between what two values of Y will at least 90% of the scores fall? What is the maximun number of scores that can lie out of the interval?

statistics
Using the 689599.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: Suggest you make a drawing and label first… a. (0.1 point)

Statistics
I'm going over some practice problems and I can't seem to figure this one out. Can anybody give me some help please? On a measure of artistic ability, the mean for college students in New Zealand is 150 and the standard deviation is 25. Give the Z scores

Statistics
IF SAT scores have approximately a normal distribution with the mean being 550 and standard deviation of 90. How can I calculate the SAT scores of the 95th percentile? Thank you

math
a student has two test scores in a psychology class. The mean of these scores is 76 and their range is 28. Use this information to determine the two scores. ( write a system of linear equations to solve the problem)

Algebra
You are one of the ﬁnalists at a science fair. The scores of the other finalists are 87, 89, 81, 85, 87, 83, 86, 94, 90, 97, 80, 89, 85, and 88. Write an inequality that represents your possible scores if your percentile rank is 80.

Algebra
You are one of the ﬁnalists at a science fair. The scores of the other finalists are 87, 89, 81, 85, 87, 83, 86, 94, 90, 97, 80, 89, 85, and 88. Write an inequality that represents your possible scores if your percentile rank is 80.

Statistics
Scores on the StanfordBinet 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?

statistics
Calculate SS, variance, and standard deviation for the following sample of n _ 4 scores: 3, 1, 1, 1. (Note: The computational formula works well with these scores.)

stats
Use this zscore formula for this problem: z = (x  mean)/(sd/√n) x = 1.25, 1.50 mean = 1.35 sd = 0.25 n = 40 Calculate two zscores, then use a ztable to determine probability between the two scores. I hope this will help get you started. •stats. 

Statistics
I have a couple questions I answer for home work could some look atthem and tell me If I am doing them right I also am having problems understanding the variance and standard deviation are the site you can suggest that would help with this I need a step by

statistics
for a population with mean of u=50 and a standard devation o=8,find the following raw scores corresponding to each of the following z scores. z score 2.50,.50,1.50,.25,1.00,.75 find the raw score(x) of the above numbers

statistics
In this unit we have worked with scores and their locations within a distribution. This discussion is designed to get you to think a little more about distributions of scores. Shown below are two samples of scores. Input these scores into SPSS and use

algebra
Sally's scores on her science quizzes are listed below. Which average best represents Sally's scores? Explain reasoning. SCORES: 86 78 70 68 95 81 85 89 95 Sally receives a score of 100 on the next quiz. How does this score affect the mean, median and

Math
4). At diving competiotion, Jan's first dive received 9 scores that averaged 9.0. To calculate her final score for the dive, the highest and lowest scores were removed and the average was taken of the remaining seven scores. If her final score was 9.1,

Alegbra 1
Mrs. Gifford's class consists of 15 girls and 25 boys. On the first test the mean of the girlsâ€™ scores was 80 and the mean of the boyâ€™s scores was 70. What was the class mean? (Remember the class mean is not just averaging the two means) On

Statistics
Suppose that a set of test scores from a class you teach is symmetric and bellshaped. That's means that there are some scores significantly below the mean and some significantly above the mean, so that it would be inappropriate to "give everyone an 'A',"

Stats...is this correct??
Scores on the StanfordBinet 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? z = (68100)/16 z = 32/16

statistics
A set of seven scores has a mean of 10. If one of the scores is changed from X=15 to X=1, what will be the new value for the new mean? A sample of n=8 scores has a mean of M=12. One new score is added to the same and the new mean is found to be M=13.

C#
5) Suppose you have declared an integer array named scores and you make the following method call: TotalScores(scores, num : 1); Of the following overloaded method definitions, which would execute? a. TotalScores(int[] scores) b. TotalScores(int[] scores,

eced
A correlatibas .82 was found betweenen number of hours studied and final exam scores. A.students who stuief less received a high exam scores. B.students who studied who studied received lower exam scores. C.studying caused studies to received higher exam

SAT
I'm a 7th grader that took the SAT. These were my scores: Critical Reading: 500 Math: 490 Writing: 590 Essay: 10 Total=1580 Good scores? What do you think my scores will be when I take the SAT again as junior in high school? Please and thanks! c:

The SAT,
I'm a 7th grader that took the SAT. These were my scores: Critical Reading: 500 Math: 490 Writing: 590 Essay: 10 Total=1580 Good scores? What do you think my scores will be when I take the SAT again as junior in high school? Please and thanks! c:

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

math
In a game of Incan basketball, A points are given for a free throw and B points are given for a field goal, where A and B are positive integers. If A=2 and B=5, then it is not possible for a team to score exactly 1 point. Nor is it possible to score

math
In a game of Incan basketball, A points are given for a free throw and B points are given for a field goal, where A and B are positive integers. If A=2 and B=5, then it is not possible for a team to score exactly 1 point. Nor is it possible to score

MATH
In the game of Incan basketball, a points are given for a free throw and b points are given for a field goal, where a and b are positive integers. If a = 2 and b = 5, then it is not possible for a team to score exactly 1 point. Nor is it possible to score

Math
I need help with this these two problem PLEASE!!! For a population with a mean of μ 80 and a standard deviation of 12, find the zscore corresponding to each of the following samples. a. M 83 for a sample of n 4 scores b. M 83 for a sample of

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?

Alegbra 1
On the first test the mean of the girlsâ€™ scores was 80 and the mean of the boyâ€™s scores was 70. What was the class mean? (Remember the class mean is not just averaging the two means) On the second test, the class mean was 80 and the mean

college
1. Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. b. The graph of a normal distribution is bellshaped. c. If a population has a normal distribution, the mean and the median are not equal.

Statistics
1. Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. b. The graph of a normal distribution is bellshaped. c. If a population has a normal distribution, the mean and the median are not equal.

maths
the mean of a set of test scores is 64. a new student takes the same test and scores 80 marks. when his score is added to the other scores, the mean increases to 65. how many students sat for the test altogether?

statistics
A professor gave an aptitude test to a class of psychology students and computed the mean, median, and mode for the test scores. Which of the following statements cannot be an accurate description of the scores? All of the above statements are false. The

statistics
The following frequency distribution presents a set of exam scores for a class of N= 20 students. X F CF % C% 9099 4 20 20 100 8089 7 16 35 80 7079 4 9 20 45 6069 3 5 15 25 5089 2 2 10 10 a)Using interpolation find the 30th percentile. The answer I

stat
In an extensive study involving thousands of British children, Arden and Plomin (2006) found significantly higher variance in the intelligence scores for males than for females. Following are hypothetical data, similar to the results obtained in the study.

statistics
The distribution of scores on the SAT is approx. normal with mu= 500 and std dev=100. a)what proportion of the population have SAT scores above 650? b)what proportion of of the population have SAT scores below 540? c)what is the minimum SAT score needed to