Here are the average mathematics achievement scores for ninth graders in 32 counties. 607 585 574 572 569 565 564 558 542 534 531 528 525 524 519 516 498 480 478 475 471 465 458 446 419 410 409 389 380 382 355 324 \begin{array} { l } 607~585~574~572~569~565~564~558 \542~534~531~528~525~524~519~516 \498~480~478~475~471~465~458~446 \419~410~409~389~380~382~355~324 \\end{array} 607 585 574 572 569 565 564 558 542 534 531 528 525 524 519 516 498 480 478 475 471 465 458 446 419 410 409 389 380 382 355 324 A) 324,419,419,542,607B) 324,432.5,507,550,607C) 324,446,507,558,607D) 324,419,516,542,607E) 324,419,507,542,607

Question

Here are the average mathematics achievement scores for ninth graders in 32 counties.   607   585   574   572   569   565   564   558 542   534   531   528   525   524   519   516 498   480   478   475   471   465   458   446 419   410   409   389   380   382   355   324 \begin{array} { l } 607~585~574~572~569~565~564~558 \542~534~531~528~525~524~519~516 \498~480~478~475~471~465~458~446 \419~410~409~389~380~382~355~324 \\end{array} 607   585   574   572   569   565   564   558 542   534   531   528   525   524   519   516 498   480   478   475   471   465   458   446 419   410   409   389   380   382   355   324 ​ A) 324,419,419,542,607B) 324,432.5,507,550,607C) 324,446,507,558,607D) 324,419,516,542,607E) 324,419,507,542,607

Zachary Stone · Accepted Answer

Final Answer : B, Explanation :  The correct answer is B) 324, 432.5, 507, 550, 607. This is because the numbers represent the minimum, first quartile (Q1), median, third quartile (Q3), and maximum of the dataset, respectively. The minimum is 324, and the maximum is 607. The median (middle value) of the sorted dataset is 507. The first quartile (Q1) is the median of the first half of the data, which is 432.5, and the third quartile (Q3) is the median of the second half of the data, which is 550.

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