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(Please answer without using MINITAB) Police cars, ambulances, and other emergency vehicles are required to carry road...

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Question

Statistics

(Please answer without using MINITAB)

Police cars, ambulances, and other emergency vehicles arerequired to carry road flares. One of the most important featuresof flares is their burning times. To help decide which of fourbrands on the market to use, a police laboratory technicianmeasured the burning time for a random sample of 10 flares of eachbrand. The results were recorded to the nearest minute.

a. Can we conclude that differences exist between the burningtimes of the four brands of flares?

b. Apply Fisher’s LSD method with the Bonferroni adjustment todetermine which flares are better.

c. Repeat Part b using Tukey’s method.

DATA

Flare A

Flare B

Flare C

Flare D

51

45

58

60

66

61

71

35

76

48

64

59

60

57

59

50

51

49

67

55

58

72

60

48

59

55

60

54

71

58

60

41

71

65

64

53

53

63

55

63

Answer & Explanation Solved by verified expert
4.4 Ratings (678 Votes)
The analysis is carried out in R and the results arebelow1 The test hypotheses areH0 Null    See Answer
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