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Univariate Data Check In #2

Quiz by Allison Boes

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10 questions
Show answers
  • Q1
    How does one find the mean?
    find the most common number
    biggest - smallest
    find the middle number
    add all the values and divide by the number of values
    60s
  • Q2
    How does one find the median?
    find the middle number when they're in order least to greatest
    find the most common number
    biggest - smallest
    add all the values and divide by the number of values
    60s
  • Q3
    Determine the median of the data set: 2, 3, 4, 5
    3
    5
    4
    3.5
    60s
  • Q4
    Determine the Mean Absolute Deviation of the data set: 1, 2, 3, 4, 5
    1
    3
    1.2
    1.5
    120s
  • Q5
    What does Mean Absolute Deviation mean?
    Find the average of the median
    How far apart all the numbers are. Biggest - smallest.
    On average, how far numbers are away from the mean.
    Add all the numbers and divide by the number of values
    120s
  • Q6
    Dahreekus has 5 tests this semester. He's taken four so far and gotten the following scores: 72, 56, 77, and 69. What would he need on the last test to average a 71%?
    81
    10
    355
    274
    120s
  • Q7
    Ms. Boes gave the following number of questions for homework each night: 2, 7, 16, 23, 4. If she averages giving 12 questions per night, how many questions would she had to have given on the sixth night?
    20
    52
    72
    8
    120s
  • Q8
    What is the five number summary of the data set: 8, 15, 12, 10, 7, 6, 4, 10, 15
    Min: 4 Q1: 6 Median: 10 Q3: 12 & 15 Max: 15
    Min: 4 Q1: 7 Median: 10 Q3: 12 Max: 15
    Min: 8 Q1: 13.5 Median: 7 Q3: 7 Max: 15
    Min: 4, Q1: 6.5 Median: 10 Q3: 13.5 Max: 15
    120s
  • Q9
    Determine the lower quartile of the data set: 12, 14, 15, 19, 21
    15
    13
    12.5
    14
    120s
  • Q10
    Based on the box plot, what is the interquartile range?
    Question Image
    8
    24
    2
    6
    120s

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