For nos. 29 to 32. Mr. Juan Rafael, the manager of JJ Computer Tech is conducting a study on the number of customers who pay by personal check, by credit card and by debit card. During the course of five days, he records the following number of purchases made by each method. 29. What is the grand total of all the observations? A. 121 B. 153 C. 205 D. 479 30. What is the critical F value at a 5% significance level? A. 0.13 B. 3.08 C. 3.89 D. 7.65 31. What is the F-computed value? A. 7.65 B. 3.89 C. 3.08 D. 0.1
For nos. 29 to 32.
Mr. Juan Rafael, the manager of JJ Computer Tech is conducting a study on the number of customers who pay by personal check, by credit card and by debit card. During the course of five days, he records the following number of purchases made by each method.
29. What is the grand total of all the observations?
A. 121
B. 153
C. 205
D. 479
30. What is the critical F value at a 5% significance level?
A. 0.13
B. 3.08
C. 3.89
D. 7.65
31. What is the F-computed value?
A. 7.65
B. 3.89
C. 3.08
D. 0.13
32. What should be the conclusion as a result of the analysis?
A. The number of customers who pay by personal check, by credit card, and by debit card at JJ Computer Tech are the same.
B. At least two of the methods of payment in purchasing at JJ Computer Tech are significantly different.
C. There is a significant difference in the number of customers who pay by personal check, by credit card, and by debit card at JJ Computer Tech.
D. There is no significant difference in the number of customers who pay by personal check, by credit card, and by debit card at JJ Computer Tech
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