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Math - Module 1 - Statistics - Grade 10 Q4

Quiz by B16 Kelsea Maize

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19 questions
Show answers
  • Q1
    What is the median in a data set?
    The average of all values
    The lowest value in the data set
    The highest value in the data set
    The middle value when the data is arranged in order
    30s
  • Q2
    What does the First Quartile (Q1) represent?
    The overall average of the data
    The middle value of the lower half of the data
    The lowest value of the lower half
    The highest value of the upper half
    30s
  • Q3
    What is the role of the Second Quartile (Q2)?
    It represents the average of the data
    It indicates the largest quarter of the data
    It divides the data into two equal halves
    It separates the highest and lowest values
    30s
  • Q4
    What is the Third Quartile (Q3)?
    The highest value in the data set
    The average of all values in the data
    The lowest value in the data set
    The middle value of the upper half of the data
    30s
  • Q5
    What do quantiles do in a data set?
    They divide the data into equal parts
    They find the average of the data
    They identify the maximum value
    They arrange the data in ascending order
    30s
  • Q6
    How many quartiles are there in a data set?
    Three quartiles: Q1, Q2, and Q3
    Two quartiles: Q1 and Q2
    Five quartiles
    Four quartiles: Q1, Q2, Q3, and Q4
    30s
  • Q7
    What percentage of values does Q1 separate from the rest of the data?
    25%
    50%
    10%
    75%
    30s
  • Q8
    What is a key feature of the Second Quartile?
    It represents the lowest 25% of data
    It is always equal to Q1
    It is the largest value in the data set
    It separates the bottom half from the top half
    30s
  • Q9
    Which of the following best describes the Third Quartile (Q3)?
    It is the minimum value of the data set
    It is the average of all data values
    It represents the overall median
    It is the middle value of the upper half
    30s
  • Q10
    Given the data set [12, 15, 14, 18, 19, 11, 17, 16, 15, 20], what is the third quartile (Q3)?
    14
    19
    18
    15.5
    30s
  • Q11
    For the data set [7, 9, 14, 10, 12, 8, 13, 11, 15], what is the first quartile (Q1)?
    11
    10
    9
    7
    30s
  • Q12
    In the ordered data set [3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23], what is the second quartile (Q2)?
    9
    15
    11
    13
    30s
  • Q13
    For the data set [4, 7, 9, 11, 13, 14, 20, 22, 25], what is the interquartile range (IQR)?
    15
    11
    9
    8
    30s
  • Q14
    For the data set [5, 8, 12, 15, 18, 22, 26, 29, 30, 35, 40], what is the first quartile (Q1)?
    22
    12
    15
    18
    30s
  • Q15
    For the data set [2, 4, 6, 8, 10, 12, 14, 16, 18, 20], what is the third quartile (Q3)?
    18
    16
    14
    20
    30s

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