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4 June, 21:43

Makenna surveyed 48 of her female classmates to determine the number of stores each one visited before purchasing a dress for the spring dance. She wants to represent her results in a box plot.

How many values in her data set will be above the third quartile for her box plot?

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Answers (2)
  1. 4 June, 22:15
    0
    Answer: 12 values

    Explanation:

    In statistics, a Boxplot is a graph that is a good indicator of how the values in the data are spread out. It is useful when we need to compare distributions between many groups or datasets. It is composed of Outliers, which display low minimums and high maximums. Also, it shows The Interquartile Range by a square composed of Q1 (quartile 1), Q2 (quartile 2) and Median.

    Quartiles are values that divide data into quarters, where Q1 represents the lowest 25% of numbers, Q2 represents the next lowest 25% of numbers, Q3 represents the second-highest 25% of numbers above the median and finally, Q4 represents the highest 25% of numbers.

    In this case, her data set is composed of 48 values obtained by the survey Makenna did in her class. Then, numbers above the third quartile for her box plot will be Q4 values, hence, the highest 25% of numbers are:

    48 x 25% = 12
  2. 5 June, 00:56
    0
    48/4 = 12

    the answer is 12
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