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March 25, 2017

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The test scores for 9 students on the Unit 1 test were 35, 25, 50, 95, 80, 60, 45, 100, and 90. What is the value of the second quartile for this data set?

  • statistics - ,

    put them in rank

    25;35;45;50;60;80;90;95;100

    Median 60, fourth quartile 92.5, second quartile 40

  • statistics - ,

    After putting them in order of value, the second quartile = median (2/4 = 1/2). First quartile indicates the lowest 25%, while the third quartile indicates the highest 25%.

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