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61) Referring to Table 12-6, what the critical value? 62) Referring

Question : 61) Referring to Table 12-6, what the critical value? 62) Referring : 1403643

 

61) Referring to Table 12-6, what is the critical value?

62) Referring to Table 12-6, what is the p-value of the test statistic?

63) True or False: Referring to Table 12-6, the null hypothesis cannot be rejected.

64) Referring to Table 12-6, what is the correct conclusion?

A) There is enough evidence that the proportions are all different in the 3 years.

B) There is not enough evidence that the proportions are all different in the 3 years.

C) There is enough evidence that at least two of the proportions are not equal.

D) There is not enough evidence that at least two of the proportions are not equal.

65) Referring to Table 12-6, what is the value of the critical range for the Marascuilo procedure to test for the difference in proportions between year 1 and year 2 using a 0.05 level of significance?

66) Referring to Table 12-6, what is the value of the critical range for the Marascuilo procedure to test for the difference in proportions between year 1 and year 3 using a 0.05 level of significance?

67) Referring to Table 12-6, what is the value of the critical range for the Marascuilo procedure to test for the difference in proportions between year 2 and year 3 using a 0.05 level of significance?

68) True or False: Referring to Table 12-6, there is sufficient evidence to conclude that the proportions between year 1 and year 2 are different at a 0.05 level of significance.

69) True or False: Referring to Table 12-6, there is insufficient evidence to conclude that the proportions between year 1 and year 3 are different at a 0.05 level of significance.

70) True or False: Referring to Table 12-6, there is sufficient evidence to conclude that the proportions between year 2 and year 3 are different at a 0.05 level of significance.

TABLE 12-7

 

Data on the percentage of 200 hotels in each of the three large cities across the world on whether minibar charges are correctly posted at checkout are given below.

 

 

Hong Kong

New York

Paris

Yes

86%

76%

78%

No

14%

24%

22%

 

At the 0.05 level of significance, you want to know if there is evidence of a difference in the proportion of hotels that correctly post minibar charges among the three cities.

 

 

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