The goal is to construct a grouped frequency distribution table (GFDT) for this

Question

The goal is to construct a grouped frequency distribution table (GFDT) for this data set. The GFDT should have 10 classes with a "nice" class width. Each class should contain its lower class limit, and the lower class limits should all be multiples of the class width.

This problem is to determine what the class width and the first lower class limit should be.

What is the best class width for this data set?
optimal class width =

What should be the first lower class limit?
1st lower class limit =

498 457 426 425 458 428 441 468 418 474 429 459 464 463 417 436 402 458 461 459 452 475 468 456 456 448 455 451

Explanation / Answer

1

optimal class width = 10

1st lower class limit = 400

400 409 1 410 419 2 420 429 4 430 439 1 440 449 2 450 459 10 460 469 5 470 479 2 480 489 0 490 499

1

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