The following table lists the average math SAT scores for each state for the year 2009.
|
State |
SAT |
State |
SAT |
Alabama |
552 |
Montana |
542 |
Alaska |
516 |
Nebraska |
594 |
Arizona |
521 |
Nevada |
505 |
Arkansas |
572 |
New Hampshire |
523 |
California |
513 |
New Jersey |
513 |
Colorado |
575 |
New Mexico |
546 |
Connecticut |
513 |
New York |
502 |
Delaware |
498 |
North Carolina |
511 |
Florida |
498 |
North Dakota |
593 |
Georgia |
491 |
Ohio |
546 |
Hawaii |
502 |
Oklahoma |
571 |
Idaho |
540 |
Oregon |
525 |
Illinois |
604 |
Pennsylvania |
501 |
Indiana |
507 |
Rhode Island |
496 |
Iowa |
615 |
South Carolina |
496 |
Kansas |
589 |
South Dakota |
600 |
Kentucky |
573 |
Tennessee |
565 |
Louisiana |
558 |
Texas |
506 |
Maine |
467 |
Utah |
558 |
|
502 |
Vermont |
518 |
Massachusetts |
526 |
Virginia |
512 |
Michigan |
603 |
Washington |
531 |
Minnesota |
609 |
West Virginia |
501 |
Mississippi |
554 |
Wisconsin |
608 |
Missouri |
600 |
Wyoming |
568 |
SOURCE: www.collegeboard.com. |
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Click here for the Excel Data File |
a-1. |
Construct a frequency distribution and histogram using classes of 450 to 500, 501 to 550, etc. |
SAT Scores |
Frequency |
450 – 500 |
|
501 – 550 |
|
551 – 600 |
|
601 – 650 |
|
|
Total |
|
|
a-2. |
How many of the states had scores between 551 and 600? |
b. |
Construct the relative frequency, the cumulative frequency, and the cumulative relative frequency distributions. (Round “Relative Frequency” and “Cumulative Relative Frequency” to 2 decimal places.)
|
SAT Scores |
Relative Frequency |
Cumulative Frequency |
Cumulative Relative Frequency |
450 – 500 |
|
|
|
501 – 550 |
|
|
|
551 – 600 |
|
|
|
601 – 650 |
|
|
|
|
|
|
Total |
|
|
|
|
|
|
c. |
How many of the states had math SAT scores of 550 or less? |
d-1. |
What percent of the states had math SAT scores between 551 and 600? (Round your answer to the nearest whole percent.) |
d-2. |
What percent of the states had mean SAT scores of 550 or less? (Round your answer to the nearest whole percent.)
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References WorksheetLearning Objective: 02-03 Summarize quantitative data by forming frequency distributions.Difficulty: 3 HardLearning Objective: 02-04 Construct and interpret histograms, polygons, and ogives.
how can i do this?