Question: 1. Use the given minimum and maximum data entries, and the number of classes, to find the class width, the lower class limits, and the

1. Use the given minimum and maximum data entries, and the number of classes, to find the class width, the lower class limits, and the upper class limits.

minimum=10, maximum=56, 6classes

The class width is___________.

2. Use the following data, which represent the English placement test scores of a sample of 30 students, to construct a frequency distribution with a first class of 472492.

533

523

478

541

582

487

501

558

495

482

551

565

520

541

514

570

479

502

474

541

570

550

589

579

491

510

531

482

523

562

Placement Test Scores	Number of Students
472492	?

Placement Test Scores

Number of Students

472492

493513

514534

535555

556576

577597

3. The following data represent the number of people in a particular state aged 18to67 with a high school education.

Age

Number (thousands)

1827

2837

3847

4857

5867

146

163

203

160

190

(a) What is the number of classes? ___________

(b) What are the class limits for the first class?______________

Lower Class Limit =___________

Upper Class Limit = ______________

(c) What is the class width? _____________

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