assuming that you wished to have the highest possible score on an exam relative to ht e other scores, would you rather have a score of 70 on a test with a mean of 60 and a standard deviations of

17,279 results
  1. statistic

    A final exam in Math 160 has a mean of 73 with standard deviation 7.73. Assume that a random sample of 24 students is selected and the test score of the sample is computed. Assuming the scores are normally​ distributed, what percentage of sample means

  2. statistics

    A​ student's course grade is based on one midterm that counts as 5​% of his final​ grade, one class project that counts as 25​% of his final​ grade, a set of homework assignments that counts as 35​% of his final​ grade, and a final exam that

  3. Math

    Exam scores were normal in MIS 200. Jason's exam score was 1.41 standard deviations above the mean. what percentile is he in?

  4. Math (Algebra 1)

    Juan’s first 3 exam scores are 85, 93, and 87. What does he need to score on his next exam to average 90 for all 4 exams? let x represent the score on his next exam (put this in a multi-step equation) PLEASE HELP

  5. statistics

    Three students take equivalent stress tests. Which is the highest relative score? a. A score of 144 on a test with a mean of 128 and a standard deviation of 34. b. A score of 90 on a test with a mean of 86 and a standard deviation of 18. c. A score of 18

  6. Statistics

    A recent survey determined the IQ score of a random selection of residents of Alaska. The accompanying relative frequency distribution table summarizes the results. Identify the class width for the given relative frequency distribution. IQ Score Relative

  7. CIS 115

    Design a solution that requests and receives student names and an exam score for each. The program should continue to accept names and scores until the user inputs a student whose name is “alldone”. ***After the inputs are complete determine which

  8. math

    In a course a student's final exam is weighted as heavily as his mid term exam.if a student receives a score of 84 on his final exam 90 on his midterm,what is the average for the course?

  9. geometry

    Which statement is correctly written as a biconditional statement? If you score 60% or higher on the exam, then you pass. If you score 60 percent or higher on the exam, then you pass. You pass the exam if and only if you score 60% or higher. You pass the

  10. Statistics: IQ Score (X) and Exam Score (Y)

    Assuming that the regression equation for the relationship between IQ score and psychology exam score is Y' = 9+ 0.274X, what would you expect the psychology exam scores to be for the following individuals given their IQ exam scores? Individual Tim Tom

  11. Statistics

    In your biology class, your final grade is based on several things: a lab score, score on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 25% of your total grade, each major

  12. 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

  13. Stats

    Suppose that your score on an exam has a positive z-score in comparison to your classmates. A. Is it possible that your score is below the mean score?

  14. statistics

    Three students take equivalent stress tests. Which is the highest relative score? a. A score of 144 on a test with a mean of 128 and a standard deviation of 34. b. A score of 90 on a test with a mean of 86 and a standard deviation of 18. c. A score of 18

  15. math

    Isaac knew he had to to study more in order to improve his math grades. Calculate the average rate of change over the interval from his first exam to his third exam. Exam Number Score (%) 1 72 2 75 3 84 4 87 5 94

  16. stats

    scores on a University exam are normally distributed with a mean of 68 and a standard deviation of 9. use the 68-95-99.7 rule to answer the following questions 1) what proportions of students score between a 59 to 77? 2) what proportions of students score

  17. Statistics

    Scores on a mathematics examination appear to follow a normal distribution with mean of 65 and standard deviation of 15. The instructor wishes to give a grade of “C” to students scoring between the 60th and 70th percentiles on the exam. What score

  18. statistics

    For a particular sample of 80 scores on a psychology exam, the following results were obtained. First quartile = 65 Third quartile = 98 Standard deviation = 8 Range = 56 Mean = 83 Median = 81 Mode = 59 Midrange = 64 Answer each of the following: I. What

  19. statistics

    7 men and 3 women are ranked according to their scores on an exam. Assume that no two scores are alike, and that all 10! possible rankings are equally likely. Let X denote the highest ranking achieved by a man (so X=1 indicates that a man achieved the

  20. algebra 2

    Consider the exam data below. Algebra score: 20 35 13 29 40 23 Calculus score: 41 69 34 72 86 58 Use your calculator to find the regression line for this data, and graph it on your scatterplot. b. Interpret the slope and intercepts of this line in the

  21. please help

    The chart below shows the highest quiz score Cynthia received in four of her classes. Class Highest Quiz Score English 13 out of 14 correct Science 93% Math 25/27 History 0.93- In which class did she have the highest score?

  22. Statistics

    In Professor Smith's statistics course, the correlation between students' total scores before the final exam and their final exam scores is r = 0.67. The pre-exam totals for all students in the course have a mean of 275 and a standard deviation of 26. The

  23. statistics

    for a particular sample of 77 scores on a psychology exam the following results were obtained: first quartile=44 third quartile= 71 standard deviation=6 range=45 mean= 64 median= 57 mode = 92 midrange=60 answer each of the following: a) what score was

  24. basic statistics for the behavioral sciences

    (a)on a normal distribution of exam scored, poindexter scored at the 10th percentile, so he claims that he outperformed 90% of his class. Why is he correct or incorrect? Because Foofy's score is in a tail of the distribution, she claims she had one of the

  25. algebra

    students in a biology class just took a final exam. a formula for predicting the average exam grade on a similar test t months later is. s(t)=78-15log(t+1) (a)find the students average score when they first took the final exam. (b)what would be the

  26. Java

    Need help asap. You are given a list of students' names and their test scores. Design an algorithm that does the following: a. Calculates the average test scores. b. Determines and print the names of all the students whose test score is below the average

  27. statistics

    4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) draw a rough sketch,

  28. Statistics

    In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 15% of your total grade, each major

  29. College Algebra

    Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by . a) What was the average score when they initially took the

  30. Statistics

    A recent survey determine the IQ score of a random selection of residents of Alaska. The accompanying relative frequency distribution table summarizes the results. Identify the class width for the given relative frequency distribution. IQ Score----Relative

  31. math

    a final examination score in General maths is weighted four times as much as each test score If the student has a final exam score of 87% and test grades of 70% and 92%, then the mean score is

  32. math

    An average score of 90 or above in a history class receives an A grade. You have scores of 90, 89, and 85 on three exams. Find the range of scores on the fourth exam that will give you an A grade for the course. (Let N stand for your score on the fourth

  33. statistics

    assuming that you wished to have the highest possible score on an exam relative to ht e other scores, would you rather have a score of 70 on a test with a mean of 60 and a standard deviations of 5.2 or a score of 81 on a test with a mean of 79 and a

  34. statistics

    For a particular sample of 50 scores on a psychology exam, the following results were obtained. Mean = 78 Midrange = 72 Third quartile = 94 Mode = 84 Median = 80 Standard deviation = 11 Range = 52 First quartile=68 What score was earned by more students

  35. Behavioral Statistics

    Because Foofy's score had a relative frequency of .02, she claims she had one of the highest scores on the exam. Why is she correct or incorrect?

  36. Stats

    For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51 Mean = 72 Median = 72 Mode = 98 Midrange = 57 Answer each of the following: I. What

  37. Can somehelp me with this ASAP plz?!?!?! Stats

    For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51 Mean = 72 Median = 72 Mode = 98 Midrange = 57 I. What score was earned by more

  38. Stats

    For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51 Mean = 72 Median = 72 Mode = 98 Midrange = 57 I. What score was earned by more

  39. Stats

    For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51 Mean = 72 Median = 72 Mode = 98 Midrange = 57 I. What score was earned by more

  40. statistics

    For a particular sample of 53 scores on a psychology exam, the following results were obtained. First quartile = 44 Third quartile = 68 Standard deviation = 8 Range = 55 Mean = 54 Median = 54 Mode = 71 Midrange = 64 I. What score was earned by more

  41. statistics

    For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 47 Third quartile = 81 Standard deviation = 11 Range = 68 Mean = 70 Median = 71 Mode = 77 Midrange = 55 Answer each of the following: I. What

  42. Statistics

    For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51 Mean = 72 Median = 72 Mode = 98 Midrange = 57 Answer each of the following: I. What

  43. statistics

    For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 72 Standard deviation = 9 Range = 52 Mean = 72 Median = 68 Mode = 70 Midrange = 57 Answer each of the following: I. What

  44. Statistics

    For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51 Mean = 72 Median = 72 Mode = 98 Midrange = 57 Answer each of the following: I. What

  45. statistics

    The scores on the final exam in a course have approximately a bell-shaped distribution. The mean score was 72, the highest score was 99, and the lowest score was 41. Use the value of the range (58) to estimate the value of the standard deviation. (Round

  46. MATH

    Katie must take five exams in a math class. Her scores on the first four exams were 68, 66, 82, and 80. Answer the following questions: The maximum score on an exam is 100 points. If it is not possible for Katie to achieve the required score on the exam,

  47. 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

  48. 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

  49. stats

    2. A standardized exam was provided to all 3rd graders in Arizona schools. The average score was 75 with a standard deviation of 10. Assuming that the scores were normally distributed, answer the following questions. (a) What z-score corresponds with a

  50. probability

    7 men and 3 women are ranked according to their scores on an exam. Assume that no two scores are alike, and that all 10! possible rankings are equally likely. Let X denote the highest ranking achieved by a man (so X=1 indicates that a man achieved the

  51. phoenix

    would Paul be able to claim that he as in the 100 percentile, if his exam score was based off of extra credit and the highest possible score of the exam was 90% without the extra credit points? What would Paul's ranking be then

  52. i dont know how to solve this

    The chart below shows the highest quiz score Cynthia received in four of her classes. Class Highest Quiz Score English 13 out of 14 correct Science 93% Math 25/27 History 0.93- In which class did she have the highest score?

  53. Math

    Professor Smith gives only a midterm exam and a final exam. The average is computed by taking 1/3 of the midterm exam score and 2/3 of the final exam score. To get a “C” or better students must have at least 70 semester average. If Laura scored only a

  54. Statistics

    The next three questions refer to the following situation. Data from previous years reveal that the distribution if first exam scores in an introductory statistics class is approximately normal with a mean of 72 and a standard deviation of 12. 16) Given

  55. stats

    Katie must take five exams in a math class. If her scores on the first four exams are 77, 79, 95, and 93, what score must Katie get on the fifth exam for her overall mean to be at least 80? The maximum score on an exam is 100 points. If it is not possible

  56. statistic of behavioral science

    for each of the following, identify the exam score that should lead to the better grade. In each case, explain your answer. A score of x=56, on an exam with the mean =50 and the standard deviation of 4; or a score of x=60 on an exam with the mean=50 and

  57. Algebra

    The total of dharma's, Eugene, and Ferns final exam score is 272 Dharma score is added to Eugene score the sum is 28 points less than twice ferns score if Eugene score is eight point higher than Dharma score what is each student's final an exam score?

  58. math

    The mean score on a Math exam was 50% and the standard deviation was 10%. Assume the results were normally distributed. (a) What percent of students earned a score between 50% and 70%? (b) If 60 students took the exam, how many got a score between 50% and

  59. statistics

    On a entrance exam, the mean was 50 and standard deviation was 5. If Ricky's z-score was -1.5, what was his exam score? I don't have a clue how to start to answer this question...

  60. Math

    Distribution of exam 2 scores is unimodal and symmetric with a mean of 78 and a standard deviation of 4.6 points. What exam score corresponds to z- score of -2.46

  61. Math

    On a recent math exam, Alex received a score of 92%. His z-score is positive 2. If the mean for the exam is 84, what is the standard deviation?

  62. Stastistics

    A linear regression line y = 0.8x-10 is computed to predict the final exam score y on the basis of the first score x on the first test. Maria scores 78 on her first test. What would be the predicted value of her score on the final exam?

  63. statistics

    The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. What percentage score above 1300? What percentage score above 800?

  64. economics

    A professor of economics gives multiple choice exams each semester. He curves the exams by giving the maximum possible points to the high score on the exam. For example, if a 50 question exam is worth 100 points and the top score in the class is 40, then

  65. stats

    I scored an 85 percent on my exam. The mean score for that quiz was -83.73 and standard deviation was -24.23 what is the z score for this exam?

  66. statistics

    say that you have a distribution of exam scores with a mean of 57 and a standard deviation of 7. if a student in the class has a standard score equal to 2.429, what would their raw score on the exam be?

  67. JAVA PROGRAMMING

    im new to java and this is my first assignment can anyone help me solving it: compile the class final grades, based on the students’ scores obtained in the classwork, mid-term, and final exams. According to the course syllabus, the classwork accounts for

  68. Algebra

    Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by . a) What was the average score when they initially took the

  69. Math

    A class of 12 students has taken an exam, and the mean of their scores is 71. One student takes the exam late, and scores 92. After including the new score, what is the mean score for all 13 exams?

  70. NET

    if your score is an exam in 80 with a mean of 60 what would be the standarised score of the exam if the standard deviation is 15

  71. statistics and probability

    It is known that an exam scores of students in STAT 2507 follow a normal distribution with a mean of 70% and a standard deviation of 9%. (A) If a student must obtain a mark of 50% to pass the exam, what proportion of students fail the exam? (B) What is the

  72. statistics

    The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. Which portion of the bell curve relates to the answer? What is the

  73. maths, statistics

    Marks in an examination are distributed normally with a mean of 55 and standard deviation of 15. 200 students sit the exam. (a) If the passing mark is 40, what is the number of students expected to fail? (b) If you score 75 marks on the exam what do you

  74. math

    In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 16% of your total grade, each major

  75. statistics

    An exam is standardized to a Normal​ model, with a mean of 105 and a standard deviation of 18. Based on the Normal model ​N(105​, 18​) What exam score represents the 96th percentile? What percentile of an exam score of 100 represent?

  76. Statistics

    The Graduate Record Exam has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. A. What percentage of the persons who take the test score above 1300? b.

  77. math(pls help me)

    1.The management committee of Zenith has indicated its desire to accept only 40% of all continuing undergraduate based on the results of the end-of-second semester examinations.the mean score of the examination is 500 and standard deviation of 100.Find the

  78. Education 606

    The Graduate Record Exam has combined verbal and quantitative mean of 1000 and a standard deviation of 200. Score range from 200 to 1600 and are approximately normally distributed. a. What percentage score above 800? b. Above what score do 20% of the

  79. math

    Samantha was playing a fraction game where she could earn either positive or negative points on each turn.The lowest score she ever recorded was -26 2/3. The highest score was 8 3/4. Which. What expession represents the distance on a number line between

  80. statistics

    On this semesters final exam, john scored 72 on his calculus exam and 53 on his statistics exam. The z score for both exams was the same. Which on would he do better on? a. calculus b.statistics c. the exam scores are equivalent

  81. statistics

    On this semesters final exam, john scored 72 on his calculus exam and 53 on his statistics exam. The z score for both exams was the same. Which on would he do better on? a. calculus b.statistics c. the exam scores are equivalent

  82. Statistics

    4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) draw a rough sketch,

  83. Statistics

    4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) draw a rough sketch,

  84. Geography

    Would outdoor locations in countries such as Singapore with the highest temperatures also have the highest relative humidities? Explain 2 reasons? Would outdoor locations in countries such as Singapore with the highest temperatures necessarily have the

  85. statistics

    Last week Tom had exams in Math and in Spanish. He had a score of 45 on the Math exam and a score of 65 on the Spanish exam. For which class should Tom expect the better grade? a. Math b. Spanish c. The grades should be the same because the two exam scores

  86. statistics

    The average score on a particular exam is determined to be 84.35 with a standard deviation of 7.4. Assume the scores are normally distributed. Applicants with exam scores in the lower 10% directed to special retraining. What is the minimum score required

  87. English

    Can someone help me identify the poetic devices? I only have a few The Wishing Bone By: Stephen Mitchell It happened on a winter’s day (The air was cold, the sky was gray): Out walking in the woods alone, I came upon a wishing bone. I picked it up and

  88. Statistics

    In Professor White’s statistics course the correlation between the students’ total scores before the final examination and their final examination scores is r = 0.9. The pre-exam totals for all students in the course have mean 275 and standard

  89. Statistics

    Scores on a mathematics examination appear to follow a normal distribution with mean of 65 and standard deviation of 15. The instructor wishes to give a grade of “C” to students scoring between the 60th and 70th percentiles on the exam. What score

  90. statistics

    Suppose that the mean score of an exam was 77 when taken 30 students took it on time with a standard deviation of 2. A makeup of the same exam is given to 6 students. The retakes averaged a score of 83 with a standard deviation of 2.9. What is the average

  91. statistics

    Suppose that the mean score of an exam was 77 when taken 30 students took it on time with a standard deviation of 2. A makeup of the same exam is given to 6 students. The retakes averaged a score of 83 with a standard deviation of 2.9. What is the average

  92. math

    kris scored 630 points on a particular section of a CPA exam for which the score were normally distributed with a mean of 600 points and a standard deviation of 75 points. At a differenttime, kerry scored 540 points on the same section, for which scores

  93. math

    kris scored 630 points on a particular section of a CPA exam for which the score were normally distributed with a mean of 600 points and a standard deviation of 75 points. At a differenttime, kerry scored 540 points on the same section, for which scores

  94. programming concepts

    Mr. Jones always gives True/False tests to his class. His tests always have 20 ques- tions. The maximum class size is 35. He needs a program that will calculate the stu- dents’ grades based on the best score. Grade A will range from the best score, to

  95. programming concepts

    Mr. Jones always gives True/False tests to his class. His tests always have 20 ques- tions. The maximum class size is 35. He needs a program that will calculate the stu- dents’ grades based on the best score. Grade A will range from the best score, to

  96. finite math

    kris scored 630 points on a particular section of a CPA exam for which the score were normally distributed with a mean of 600 points and a standard deviation of 75 points. At a differenttime, kerry scored 540 points on the same section, for which scores

  97. college algebra

    3. Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by S(t) = 68 − 20 log (t + 1), t ¡Ý 0. What was the

  98. MEDIAN AND MEAN

    The following scores were recorded on a 200 point final exam.193, 185, 163, 186, 192, 135, 158, 174, 188, 172, 168, 183, 195, 165, 183 Find the mean final exam score. A)183 B)185 C)176 I CHOSE A Find the median final exam score. A) 176 B) 183 C) 185 i

  99. statistics

    the verbal section of GRE exam for admission into graduate school has a mean of 456 (s=140). Assuming the scores are normally distributed what percent of students will score 600 or higher? (choose range that fits your answer)

  100. Analytical Skills

    If your score on a statistics exam was 76 and the professor gave you the distribution for the exam score for your class, you could find your percentile to understand where you stand in comparison to your fellow students. Assume that the distribution for

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