Please save my life.. Please……. Question 3: (14 points) In order to better understand the touris

Please save my life.. Please…….

Question 3: (14 points)

In order to better understand the tourism industry, a survey was conducted by Téoros, a journal of tourism research that aims to contribute to the development and the enhancement of the scientific study of tourism from a multidisciplinary perspective.

Respondents chosen randomly were asked to provide the amount of personal spending during their most recent holiday. The data presented is divided into two income groups, respondents earning $39,999 or less and respondent earning $40,000 or more. Please refer to the Excel spreadsheet containing the data and answer the following questions:

a) Determine the average personal spending and standard deviation for each income category.

b) In each income category, 50% of respondents have personal spending lower than what value?

c) Determine the coefficient of variation for each category of income. In which category is the data more dispersed?

d) Determine the range that includes 50% of data around the center of the data for each income category.

e) Draw an histogram and a Box and Whisker plot for each category. What conclusion can be drawn from these diagrams?

f) Upon the release of the survey results, two respondents are having a debate. They both claim that they are a larger spender in comparison to the data. The first respondent makes less than $39,999 a year and spent $447 during his last holiday. The second respondent has a yearly salary above $40,000 and argues that since he spent one third more than the first respondent on his last holiday, he is the larger spender. Which respondent is correct?

g) How much would a respondent with a salary greater than $40,000 a year have to spend to have a z-score of 3?

Please save my life.. Please…

Revenu category:

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Data

 

 

 

1

395

 

 

 

2

356

 

 

 

3

393

 

 

 

4

442

 

 

 

5

395

 

 

 

6

389

 

 

 

7

327

 

 

 

8

431

 

 

 

9

383

 

 

 

10

411

 

 

 

11

401

 

 

 

12

417

 

 

 

13

353

 

 

 

14

407

 

 

 

15

419

 

 

 

16

386

 

 

 

17

385

 

 

 

18

369

 

 

 

19

397

 

 

 

20

415

 

 

 

21

370

 

 

 

22

443

 

 

 

23

412

 

 

 

24

382

 

 

 

25

426

 

 

 

26

367

 

 

 

27

402

 

 

 

28

380

 

 

 

29

416

 

 

 

30

433

 

 

 

31

320

 

 

 

32

428

 

 

 

33

447

 

 

 

34

402

 

 

 

35

397

 

 

 

36

407

 

 

 

37

303

 

 

 

38

360

 

 

 

39

360

 

 

 

40

344

 

 

 

41

412

 

 

 

42

369

 

 

 

43

445

 

 

 

44

371

 

 

 

45

344

 

 

 

46

384

 

 

 

47

426

 

 

 

48

382

 

 

 

49

405

 

 

 

50

432

 

 

 

51

373

 

 

 

52

447

 

 

 

53

339

 

 

 

54

408

 

 

 

55

388

 

 

 

56

376

 

 

 

57

362

 

 

 

58

383

 

 

 

59

420

 

 

 

60

364

 

 

 

61

353

 

 

 

62

415

 

 

 

63

457

 

 

 

64

390

 

 

 

65

412

 

 

           

 

 

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