In a frequency distribution, what is the number of observations in a class called? A. class midpoint B. class interval C. class array D. class frequency E. none of the above

59,418 results
  1. Statistics

    The relative frequency for a class is computed as: A. class width divided by class interval. B. class midpoint divided by the class frequency. C. class frequency divided by the interval. D. class frequency divided by the total frequency>

  2. Business

    In a frequency distribution, what is the number of observations in a class called? A. class midpoint B. class interval C. class array D. class frequency E. none of the above

  3. stats 101

    how do you find the lower class limit,upper class limit, class width, class midpoint, and class boundaries from a set of frequencies data

  4. Statistics- Math

    If a specific class in a frequency distribution has class boundaries of 132.5 - 147.5 what are the class limits ?

  5. statistics

    The data represents the daily rainfall (in inches) for one month. Construct a frequency distribution beginning with a lower class limit of 0.00 and use a class width of 0.20. The frequency of the first class limit (0.00 – 0.19) is: 0.44 0 0 0.24 0 0.65 0

  6. MATHMATHICS

    Aschool community had planned to reduce the number of agrade 10 students per class room by constructing additional class room. however,they constructed 4 less rooms than they planned.as aresult,the number of students per class was 10 more than they

  7. Statistics

    Statistics Does the frequency distribution appear to have a normal distribution using a strict interpretation of the relevant criteria? IQ Score------Frequency 50-69----------24 79-89----------228 90-109--------490 110-129--------232 130-149-------26 a.

  8. 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

  9. Stem and Leaf Probability

    Please advise-Thanks Given below is the stem-and-leaf display representing the amount of detergent used in gallons (with leaves in 10ths of gallons) in a month by 25 drive-through car wash operations in Phoenix. 9 | 147 10 | 02238 11 | 135566777 12 |

  10. math

    A student constructs a frequency distribution where the frequency of the first class is 8 and a corresponding histogram with the area of the bar in the first class is 80. The frequency for the second class is twice the frequency of the first class. In the

  11. Statistics

    The score distribution of the final exam in a data science course follows a normal distribution with mean 70 and standard deviation 10. Let α in (0,1) . As a reminder, the quantile of order 1−α of a random variable X is the number qα such that

  12. statistics

    for mu homework, we are making histograms. on the assignment, we need to list the class limits, class boundaries, midpoint, frequency and relative frequency for each class. i know how to find all of those except for the midpoint since we were not taught

  13. Math

    Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were

  14. Statistics

    Does the frequency distribution appear to have a normal distribution using a strict interpretation of the relevant criteria? Weight (g)-----------Frequency 5.5000-5.5499-----1 5.5500-5.5999-----4 5.6000-5.6499-----7 5.6500-5.6999-----13

  15. programming

    Design a class named Book that holds a stock number, author, title, price, and number of pages for a book. Include a method that sets all the data files and another that prints the values for each data field. Create the class diagram and write the

  16. Statistics

    When a class interval is expressed as: 100 up to 200, A. observations with values of 100 are excluded from the class frequency. B. observations with values of 200 are included in the class frequency. C. observation with values of 200 are excluded from the

  17. algebra

    Classes A and B have 35 students each. If seven girls shift from class A to class B, then the number of girls in the classes would interchange. If four girls shift from class B to class A, then the number of girls in class A would be twice the original

  18. Art

    based on their attire, playing music during leisure time is most likely a pursuit of which greek class citizen? lower class musical class upper class middle class i believe it is upper class

  19. Statistics

    What statistical assumptions need to be validated for ANOVA results to be valid? a. observations are from an F-distribution b. Observations are from a Chi square distribution c. Observations are normally distributes, independent, a variances are equal d.

  20. spanish

    escribe que clases tienen estas personas, usando formas de tener. 1. yo a picture of a math class 2. nosotros a picture of an english class 3. claudia y pablo science class 4. tu art class 5. claudia history class 6. ustedes spanish class

  21. maths

    there are 104 students in class 10th and 96 students in class 9th in a school .in a house examination the students ate to be evenly seated in parallel rows such that no two adjacent rows are of the same class. (a) find the maximum number of parallel rows

  22. Statistics

    Students heights in inches were obtained as part of a study and a frequency distribution was constructed with the first class having a lower limit of 50 inches. The class widths are 6 inches. What is the frequency of the second class in the distribution?

  23. Statistics

    Students heights in inches were obtained as part of a study and a frequency distribution was constructed with the first class having a lower limit of 50 inches. The class widths are 6 inches. What is the frequency of the second class in the distribution?

  24. statistics

    Use this table to answer the questions. Height (in inches) Frequency 50-52 5 53-55 8 56-58 12 59-61 13 62-64 11 1. Identify the class width. 2. Identify the midpoint of the first class. 3. Identify the class boundaries of the first class. 4. Give the

  25. Statistics

    How will I know the modal class from a grouped data w/ equal class sizes if the highest frequency is 7 but then it appears thrice in 3 intervals. 34.00 - 39.69 frequency: 7 39.70- 45.39 frequency: 7 62.50-68.19 frequency: 7

  26. English

    He has stopped taking boxing lessons and goes to the ballet class. (In this sentence, what does 'class'mean? Does 'class' mean 'lesson'? Or does 'class' mean the 'class' as in ' He is a student of Class 1-1'?)

  27. Math

    The number of subject passes obtained students in 8 grade examination are tell(3 3 4 3 5 3 2 2)(2 3 1 3 4 2 6 3)(4 3 2 0 3 3 3 4)(2 1 2 4 3 3 2 2) A)make a frequency distribution table of passes obtained by students. B)how many students were in the class?

  28. algebra...

    In a school, there are 4 more students in Class A than in Class B, and 4 more students in Class B than in Class C. As a reward for good behavior, a teacher decides to give out some sweets. Every student in class C got 5 more sweets than every student in

  29. Math...LOST!!

    Heights The frequency distribution indicates the heights of 45 male high school seniors. Height(in.) Number of Males 64 2 65 6 66 7 67 9 68 10 69 6 70 3 71 0 72 2 a) Construct a histogram of the frequency distribution. b) Construct a frequency polygon of

  30. Math ~ CHECK ANSWER

    Below are two sets of student quiz scores on a 30-point quiz. Which of the following can you conclude by comparing their box-and-whisker plots? Class A: 5, 10, 13, 18, 19, 25, 29 Class B: 1, 3, 5, 7, 9, 9, 13 a) The first quartile of class B is greater

  31. math

    1. To form a __________ we form a ratio between each frequency and the total number of scores in the set. (Points: 5) stem-and-leaf display frequency distribution relative frequency distribution frequency polygon

  32. statistics

    A history class has 75 members. If there is a 12% absentee rate per class meeting, find the mean, variance, and atandard deviation of the number of students who will be absent from each class

  33. statistics

    On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \?=3.57)\) ) and 53 on his statistics exam (class distribution :u=49, ?=2.04. Which exam should he get the better grade. z1=72-65/3.57=1.960 Z2=53-49/3.57=1.120

  34. Math 157-1

    Use the data in the grade-distribution Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade Frequency A 2 B 8 C 11 D 2 F 1 How would the graph change if there were

  35. Statistics

    For an IQ test, we know the population n=100 and the ox = 16. We are interested in creating the sampling distribution when N = 64. (a) What does that sampling distribution of means show? (b) What is the shape of the distribution of IQ means and the mean of

  36. 4 grade math

    If ms smith class read for 450hrs this month. Ms Brown class read two-thirds the number of hrs read by ms smith class. Ms James class read twice the hrs read by ms brown class. There are 90 students in these 3 classrooms. What was the average number of hrs

  37. English

    The class before first grade, she made a friend named Truman Capote who also later become a fiction writer, short-story writer, and wrote plays. ------------------------------------------------------------------------------------------------------ Which

  38. statistics

    1. The exam scores for the students in an introductory statistics class are as follows. 88 63 90 64 82 98 96 75 89 86 76 84 70 67 34 89 85 39 81 96 92 85 a. Compute the mean and the median score. b. Identify the shape of the distribution of score. Explain

  39. Business

    When a class interval is expressed as: 100 up to 200, A. observations with values of 100 are excluded from the class frequency. B. observations with values of 200 are included in the class frequency. C. observation with values of 200 are excluded from the

  40. statistics

    True or False; A good choice for the number of class groups to use in constructing frequency distribution is to have at least 5 but not more than 15 class groups.

  41. statistics

    the number of vehicle passing through an intersection during each 15-minute period was recorded. the results are shown below. construct a frequency distribution (and a relative frequency distribution) for the vehicles passing through the intersection in a

  42. statistics

    Use this table to complete the tasks that follow it. Height (in inches) Frequency 50-52 5 53-55 8 56-58 12 59-61 13 62-64 11 Identify the class width. Identify the midpoint of the first class. Identify the class boundaries of the first class. Give the

  43. Stats

    Use this table to answer the questions. Height (in inches) Frequency 50-52 5 53-55 8 56-58 12 59-61 13 62-64 11 1. Identify the class width. 2. Identify the midpoint of the first class. 3. Identify the class boundaries of the first class. 4. Give the

  44. stat

    A contract employs three types- Class A , Class B and class c. to class A workers, he pays an average monthly salary of $ 400, to class B workers, he pays an average monthly salary of $ 320 and to class C workers he pays an average monthly salary of $ 150.

  45. math

    what is frequency distribution? a. a frequency distribution is the categories of the variable together with their frequencies. an example would be the number of flowers of each color in a bouquet. b. a frequency distribution is the categories of the

  46. math

    what is frequency distribution? a. a frequency distribution is the categories of the variable together with their frequencies. an example would be the number of flowers of each color in a bouquet. b. a frequency distribution is the categories of the

  47. Maths

    A mathematics class has 200 members. If there is 12% absentee rate per class meeting, find: a) mean, variance and standard deviation number of students who will be absent from each class. b) Draw the probability table and distribution graph of the number

  48. Statistics

    A mathematics class has 200 members. If there is 12% absentee rate per class meeting, find: a) mean, variance and standard deviation number of students who will be absent from each class. b) Draw the probability table and distribution graph of the number

  49. statistics

    When drawing a histogram, it is important to a. eliminate the extremes to minimize the effect of skewness. b. choose class intervals, so they all have the same number of observations c. make sure that the mean and the median fall in the same class

  50. HOW TO CALCULATE LASS WIDTHS?

    can someone tell me how to calculate class width. suppose the number of classes and class widh being 5 and 12 respectively.form a grouped frequency distribution.. the maximum is 98 while the minimum is 12. Should i calculate it: maximum - minimum that is

  51. math

    Four well-defined social classes (1=low and 4=high) exist in a country. If X is a random variable giving the social class of the son of a father from social class 1, the distribution of X is as follows: we have a small chart that has son's class, X and a

  52. statistics

    After years of data collection by college students, it has been determined that the distribution of course grades in Ms. Green’s Statistic II class follows a normal distribution with a mean of 62 and a standard deviation of 14. (a) A student will pass

  53. statistics

    how to identify the 5 W's in the problem of the student averages in a High School college algebra class for the last semester. the teacher wanted to see how well the class did and constructed the Distribution from the grade book. who- Students what-

  54. CPE102 - Java

    Can you help me with this portion of the program? Implement a class called Name and its associtated unit tests in a class called NameTests.

  55. Math

    Construct a grouped frequency distribution for the following 28 scores using a class width of 4: 64 63 58 46 52 62 47 49 56 47 43 41 45 51 60 62 51 61 50 55 56 53 54 58 48 48 58 46 How do I do this?

  56. statistics

    A class test resulted in a mean score of 60% and a standard deviation of 15%. You scored 75%. Assuming the scores follow a normal distribution, and there are 200 in the class, how many students scored better than you? Give your answer to the nearest whole

  57. English

    There are 7 classes for first year students. Each class is composed of about 30 students. Emily is a student of Class 1-2. One of his classmates who went to the same elementary school asks: Which class are you in? What is the answer to the question? 1. I'm

  58. Statistics

    Please Help! Check My Answer!! The following frequency distribution analyzes the scores on a math test. Find the class boundaries of scores interval 40-59 Scores| Number of Students 40-59| 2 60-75| 4 76-82| 6 83-94| 15 95-99| 5 39.5, 59.5 39.5, 58.5 40.5,

  59. Math Models

    What type of graph is best suited for displaying the range and frequency distribution of the number of hours the students in a class spend on homework while still showing each individual amount of time spent on homework?

  60. math

    What type of graph is best suited for displaying the range and frequency distribution of the number of hours the students in a class spend on homework while still showing each individual amount of time spent on homework?

  61. Math

    There are 28 boys in a class which account to 78 of the whole class. Find the total number of students and girls in the class.

  62. math

    The midpoints or class marks for the ages of the factory workers are 19.5, 29.5, 39.5, 49.5, 59.5 and 69.5. What are the class limits of this distribution?

  63. Statistics

    On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \σ=3.57)\) ) and 53 on his statistics exam (class distribution :u=49, σ=2.04. Which exam should he get the better grade. z1=72-65/3.57=1.960 Z2=53-49/3.57=1.120

  64. Algebra

    At Central High School, the sophomore class has 60 more students than the freshman class. The junior class has 50 fewer than twice the number of students in the freshman class. The senior class is three times as large as the freshman class. If there are a

  65. Statistics

    What does it mean when we state: "Many frequency distributions in the social sciences are approximately? And, why does this occur? My thinking is: I would have to say that many frequency distributions, in particularly the social sciences are approximately

  66. math

    there are 20 students in mark`s homeroom class. Ten percent of the students in marks homeroom class are also in art class He finds the number of students in his homeroom class who are also in art class like this . Can you tell me the answer of how many

  67. Math

    Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were

  68. English

    At school, he learns 10 subjects such as math, science, social studies, computers, ethics, etc. He is in math class now. He has a cell phone. He is sitting at the back. One of his friends calls him and asked "Which class are you in?" What is the answer to

  69. PSY

    For an IQ test, we know the population _ 5 100 and the _X 5 16. We are interested in creating the sampling distribution when N 5 64. (a) What does that sampling distribution of means show? (b) What is the shape of the distribution of IQ means and the mean

  70. Geometry

    When Ms Shreve randomly selects a student in her class, she has 1/3 probability of selecting a boy. A: If her class has 36 students, how many boys are in her class? B: if there are 11 boys in her class, how many girls are in her class? C: what is the

  71. st

    7) (8 pts) Construct a histogram and a frequency polygon for the following frequency distribution Miles Number of Commuters Class Frequency 0 - 24 4 25 - 49 10 50 - 74 11 75 - 99 5 100 –124 1

  72. statistics

    7) (8 pts) Construct a histogram and a frequency polygon for the following frequency distribution Miles Miles Number of Commuters Class Frequency 0 - 24 4 25 - 49 10 50 - 74 11 75 - 99 5 100 –124 1

  73. maths

    the class-marks of classes in distribution are 6,10,14,18,22,26,30.find (a)class size (b)lower limit of second class (c)upper limit of last class (d)third class Explain in detail.

  74. algebra

    Classes A and B have 35 students each. If seven girls shift from class A to class B, then the number of girls in the classes would interchange. If four girls shift from class B to class A, then the number of girls in class A would be twice the original

  75. how to find class widths??

    can someone tell me how to calculate class width. suppose the number of classes and class widh being 5 and 12 respectively.form a grouped frequency distribution.. the maximum is 98 while the minimum is 12. Should i calculate it: maximum - minimum that is

  76. Math

    Given the following frequency distribution, find the mean, variance, and standard deviation. Class Frequency 31-33 18 34-36 25 37-39 22 40-42 9 43-45 20

  77. Math

    Given the following frequency distribution, find the mean, variance, and standard deviation. Class Frequency 31-33 18 34-36 25

  78. Statics

    Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Class Frequency 61-63 19 64-66 17 67-69 5 70-72 10 73-75 12

  79. Math: Statistics

    Organize the data into a class interval frequency distribution using 10 intervals with frequency (f) and relative frequency (rf). Data Set: 100, 97, 99, 70, 72, 75, 82, 68, 85, 88, 71, 77, 93, 94, 54, 59, 83, 87, 98, 84, 72, 96, 98, 89, 74, 98, 77, 82, 83,

  80. math

    Construct a frequency polygon distribution using the class limits shown below. 80, 99, 77, 67, 93, 70, 76, 86, 79, 71

  81. Math

    Construct a grouped frequency distribution for the following 28 scores using a class width of 4: 64 63 58 46 52 62 47 49 56 47 43 41 45 51 60 62 51 61 50 55 56 53 54 58 48 48 58 46

  82. English

    1. He became the captain of the class. 2. He became the president of the class. 3. He became the head of the class. 4. He became the leader of the class. ============== Which ones are commonly used? What is the suitable name for the student who represents

  83. MATH

    The frequency distribution indicates the heights of 45 male high school seniors. Height(in.) Number of Males 64 2 65 6 66 7 67 9 68 10 69 6 70 3 71 0 72 2 a) Construct a histogram of the frequency distribution. b) Construct a frequency polygon of the

  84. Math

    The midpoints or class marks for the ages of the factory workers are 19.5, 29.5, 39.5, 49.5, 59.5 and 69.5. What are the class limits of this distribution??

  85. statistics

    Use the data given in table 13.1 on page 846 to construct a frequency distribution with a first class ( in ten thousands ) of 150-296.

  86. statistics

    A recent statistics exam yielded the following 25 scores. Construct a grouped frequency distribution with the class limits shown below. 64 84 71 59 67 58 88 68 70 94 90 81 43 77 86 72 81 79 98 52 72 72 47 81 96

  87. statistics

    A set of data consists of 90 observations between 350 and 950. a) What rule would you use to find the number of classes? Use this rule to determine the number of classes? b) What formula would you use to determine the class width or length? Use that

  88. English

    Which class are you in? I'm in class 2. What class are you in? I'm in class 2. Which year and which class are you in? I'm in the second year and the second class. What year and what class are you in? I'm in the second year and second class. I'm in the

  89. Math

    There Is 3/4 Of Class 218 Going To Art And 1/8 Going To Gym. The Rest Of The Class Is Going To Computer Class. What Fraction Of The Class Is Going To Computers ?

  90. Psychology

    For an IQ test, we know the population _ 5 100 and the _X 5 16. We are interested in creating the sampling distribution when N 5 64. (a) What does that sampling distribution of means show? (b) What is the shape of the distribution of IQ means and the mean

  91. Statistics

    Please help me with this question: For an IQ test, we know the population  5 100 and the X 5 16. We are interested in creating the sampling distribution when N 5 64. (a) What does that sampling distribution of means show? (b) What is the shape of the

  92. statistics

    Correction On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \?=3.57)\) ) and 53 on his statistics exam (class distribution :u=49, ?=2.04. Which exam should he get the better grade. z1=72-65/3.57=1.960

  93. MATHS

    Class A and Class B have the same number of pupils. The ratio of the number of boys in Class A to the number of boys in class B is 3:2. The ratio of the number of girls in Class A to the number in Class B is 3:5. Find the ratio of the number of boys to the

  94. 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

  95. statistics

    data shows number of absent student of statistic ciass. 3,5,7,4,6,0,1,4,3,2,8,5,4,7,1,5,2,6,7,8,3,9,1,0,5,6, form a frequency distribution by taking one class interval.

  96. Statistics[Math]

    Construct a histogram for following frequency distribution : Class-intervals Frequency 0-4 5 5-9 8 10-14 12 15-19 9 20-24 4

  97. MATH

    Construct a grouped frequency distribution for the following 28 scores using a class width of 4: 64 63 58 46 52 62 47 49 56 47 43 41 45 51 60 62 51 61 50 55 56 53 54 58 48 48 58 46

  98. Math

    Heights (inches) Frequency 48 5 49 2 50 0 51 3 52 6 53 5 54 4 55 2 56 0 57 1 A frequency table is shown for the height's of 6th graders in a class at Oakville Elementary School. What is the probability that a sixth grader in this class is 52 inches tall?

  99. statistics

    I have done an entire project based on football scores from a certain team over the last 3 years and I'm not sure what information I can get from my answers. Ive done a frequency distribution table, Ogive, Histogram,cumulative frequency table, frequency

  100. College Mathematics

    U.S. Presidents. The ages of the 44 presidents at their first inauguration (as of 2011) are: 57 57 49 52 50 42 54 55 64 61 61 64 56 47 51 51 56 46 57 54 50 46 55 56 60 61 54 57 68 48 54 55 55 62 52 47 58 51 65 49 54 51 43 69 a. Construct a frequency

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20