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Using your data collected during canteen exercise, test the following hypothesis

ID: 3150038 • Letter: U

Question

Using your data collected during canteen exercise, test the following hypothesis:

The interarrival time is 5 minutes

The interarrival time is more than 5 minutes

The service time is 5 minutes

The service time is less than 5 minutes

The proportion of tea purchases is 30%.

The proportion of tea purchases is more than 30%.

The proportion of coffee purchases is 20%.

DATA:

1 8:34 Water 8:35

2 8:34 Water 8:35

3 8:42 Tea 8:43

4 8:43 Tea 8:44

5 8:46 Water 8:46

6 8:49 Water 8:50

7 8:49 Tea 8:50

8 8:50 Water 8:51

9 8:51 Tea 8:52

10 8:52 Water 8:52

11 8:52 Water 8:52

12 8:52 Tea 8.53

13 8:52 Water 8:54

14 8:52 Tea 8.54

15 8:54 tea 8.54

16 8:54 Tea 8:55

17 8:54 Tea 8:57

18 8:56 Water 8:57

19 8:58 Water 8:59

20 9:01 Water 9:02

21 9:02 Water 9:02

22 9:03 Tea 9:05

23 9:03 Tea 9:05

24 9:02 Tea 9:04

25 9:02 Coffee 9:04

26 9:04 Tea 9:05

27 9:07 water 9:07

28 9:07 Tea 9:08

29 9:08 Tea 9:09

30 9:08 tea 9:09

31 9:08 Coffee 9:09

32 9:08 Tea 9:10

33 9:09 Coffee 9:12

34 9:09 Tea 9:11

35 9:11 Tea 9:12

36 9:10 Water 9:12

37 9:10 Tea 9:12

38 9:12 Tea 9:13

39 9:12 Tea 9:14

40 9:13 Tea 9:16

41 9:13 Tea 9:16

42 9:14 Water 9:14

43 9:15 Water 9:17

44 9:15 Tea 9:17

45 9:16 Tea 9:19

46 9:16 Water 9:17

47 9:17 Water 9:18

48 9:17 Tea 9:19

Explanation / Answer

The interarrival time is 5 minutes

The interarrival time is more than 5 minutes

The service time is 5 minutes

The service time is less than 5 minutes

The proportion of tea purchases is 30%.

The proportion of tea purchases is more than 30%.

The proportion of coffee purchases is 20%.