All Fresh Seafood is a wholesale fish company based on the east coast of the U.S. Catalina Offshore Products is a wholesale fish company based on the west coast of the U.S. Table #9.2.5 contains prices from both companies for specific fish types ("Seafood online," 2013) ("Buy sushi grade," 2013). Data is in following table: Fish All Fresh Seafood Prices Catalina Offshore Products Prices Cod 19.99 17.99 Tilapi 6.00 13.99 Farmed Salmon 19.99 22.99 Organic Salmon 24.99 24.99 Grouper Fillet 29.99 19.99 Tuna 28.99 31.99 Swordfish 23.99 23.99 Sea Bass 32.99 23.99 Striped Bass 29.99 14.99 Do the data provide enough evidence to show that a west coast fish wholesaler is more expensive than an east coast wholesaler? Test at the 5% level. (i) Let μ1 = mean wholesale prices from east coast fishery. Let μ2 = mean wholesale prices from west coast fishery . Which of the following statements correctly defines the null hypothesis HO? A. μ1 − μ2 > 0 (μd > 0) B. μ1 – μ2 = 0 (μd = 0) C. μ1 – μ2 < 0 (μd < 0) D. μ1 + μ2 = 0 Enter letter corresponding to correct answer (ii) Let μ1 = mean wholesale prices from east coast fishery. Let μ2 = mean wholesale prices from west coast fishery . Which of the following statements correctly defines the alternative hypothesis HA? A. μ1 − μ2 > 0 (μd > 0) B. μ1 – μ2 = 0 (μd = 0) C. μ1 – μ2 < 0 (μd < 0) D. μ1 + μ2 = 0 Enter letter corresponding to correct answer (iii) Enter the level of significance α used for this test: Enter in decimal form. Examples of correctly entered answers: 0.01 0.02 0.05 0.10
Q3A
All Fresh Seafood is a wholesale fish company based on the east coast of the U.S. Catalina Offshore Products is a wholesale fish company based on the west coast of the U.S. Table #9.2.5 contains prices from both companies for specific fish types ("Seafood online," 2013) ("Buy sushi grade," 2013). Data is in following table:
|
Fish |
All Fresh Seafood Prices |
Catalina Offshore Products Prices |
|
Cod |
19.99 |
17.99 |
|
Tilapi |
6.00 |
13.99 |
|
Farmed Salmon |
19.99 |
22.99 |
|
Organic Salmon |
24.99 |
24.99 |
|
Grouper Fillet |
29.99 |
19.99 |
|
Tuna |
28.99 |
31.99 |
|
Swordfish |
23.99 |
23.99 |
|
Sea Bass |
32.99 |
23.99 |
|
Striped Bass |
29.99 |
14.99 |
Do the data provide enough evidence to show that a west coast fish wholesaler is more expensive than an east coast wholesaler? Test at the 5% level.
(i) Let μ1 = mean wholesale prices from east coast fishery. Let μ2 = mean wholesale prices from west coast fishery . Which of the following statements correctly defines the null hypothesis HO?
A. μ1 − μ2 > 0 (μd > 0)
B. μ1 – μ2 = 0 (μd = 0)
C. μ1 – μ2 < 0 (μd < 0)
D. μ1 + μ2 = 0
Enter letter corresponding to correct answer
(ii) Let μ1 = mean wholesale prices from east coast fishery. Let μ2 = mean wholesale prices from west coast fishery . Which of the following statements correctly defines the alternative hypothesis HA?
A. μ1 − μ2 > 0 (μd > 0)
B. μ1 – μ2 = 0 (μd = 0)
C. μ1 – μ2 < 0 (μd < 0)
D. μ1 + μ2 = 0
Enter letter corresponding to correct answer
(iii) Enter the level of significance α used for this test:
Enter in decimal form. Examples of correctly entered answers: 0.01 0.02 0.05 0.10
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