Technology Randomly select 50 songs from your music player

Chapter 2, Problem 3DP

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QUESTION:

Problem 3DP

Technology Randomly select 50 songs from your music player or music organization program. Find the length (in seconds) for each song. Use these data to create a frequency table with 6 categories. Sketch a frequency polygon for the frequency table. Is the shape of the distribution of times uniform, skewed, or bell–shaped? Also note the genre of each song. Create a Pareto chart showing the frequencies of the various categories. Finally, note the year each song was released. Create a pie chart organized by decade to show the percentage of songs from various time periods.

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QUESTION:

Problem 3DP

Technology Randomly select 50 songs from your music player or music organization program. Find the length (in seconds) for each song. Use these data to create a frequency table with 6 categories. Sketch a frequency polygon for the frequency table. Is the shape of the distribution of times uniform, skewed, or bell–shaped? Also note the genre of each song. Create a Pareto chart showing the frequencies of the various categories. Finally, note the year each song was released. Create a pie chart organized by decade to show the percentage of songs from various time periods.

ANSWER:

Solution:

Step 1 of 5:

    Given that, randomly select 50 songs from the music player or the music organizer program.

         We have to find the length (in seconds) for each song.

 From the excel we have taken 300 songs randomly (in seconds).

 The formula is “randbetween (300,600)”.

 Then, the 50 random numbers are given below.

           

590

569

564

561

559

555

554

551

545

540

535

535

533

526

522

519

518

512

505

505

493

489

486

474

471

469

452

448

444

436

435

434

430

429

428

428

417

405

400

395

392

386

373

366

364

356

345

342

336

329

 Now we have to make a frequency table with 6 categories.

That is,      

Class boundaries

Frequency

300-350

5

350-400

8

400-450

11

450-500

7

500-550

12

550-600

8

N = 51

 


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