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Statistical Measurses

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  • What is the mode of the following data set? 40, 64, 55, 40, 64, 40, 64, 7, 88, 55
    40 and 64
  • What is the range of the data set? {5.5, 6.8, 12.5, 44.3, 6, 47.6}
    42.1
  • What is the mode of the data set? {7, 4, 1, 3, 1, 5, 7, 3, 8, 5, 7}
    7
  • A data set can have more than one mode
    True
  • How do you find the mode of a data set?
    The mode of the data set is the number(s) that appear the most often.
  • What is the mean of the following data set : {2, 4, 6, 8}
    Mean: 5
  • To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.
    median
  • Bob has the following data. 15,n,16,18,19,16. If the median is 16.5, what could be n?
    17
  • What is the range of the data set? {1, 3, 5, 68, 7}
    67
  • What is the mean of the data set? {.1, .2, .3, .4, .6, .2}
    .3
  • What is the range of the following data set: 4, 6, 8, 7, 1, 0, 6?
    8
  • What is the range of the data set? {100, 200, 300, 200, 350, 200, 100, 250}
    250
  • If there are two numbers in the middle to find median, what do you do?
    Find the mean of the 2 numbers in the middle.
  • What is the mean of the data set? {0, 0, 1, 2, 1, 4, 1, 0, 5, 16}
    3
  • What is the median of the data set? {22, 33, 44, 55, 22, 33, 44}
    33
  • What is the median of the data set? {5,1, 2, 0, 2, 8, 7}
    2
  • The number of cookies in a pack can vary . Help Sara find the mode? 15,14,16,12,14,12,14
    14
  • What is the mode of the data set? {1.1, 2.3, 4.5, 1.1, 6.7, 2.3, 4.5, 2.3}
    2.3
  • What is the mean of the data set? {5, 2, 0, 2, 8, 7}
    4
  • The number of miles that Jenna cycled each week for a 7-week period is shown: 36, 42, 28, 52, 48, 36, 31 What is the median number of miles Jenna cycled?
    36
  • How do you find the mean of a data set?
    Add all the numbers up, and divide by how many data points are in the set
  • The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 9, 8, 12, 6, 10 What is the mean number of pages she wrote per day?
    9
  • What is the range of the data set? {8, 23, 66, 90}
    82
  • Is it possible to have no mode?
    Yes! When no number is in the list more than other numbers
  • How do you find the median of the data set?
    Put the numbers in order, then determine the center of the set
  • What is the mean of the data set: 6.5, 6.4, 6.6, 6.7, 6.1, 6.3, 6.2
    .6.4