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Information and questions provided in pictures below. Attachment 1

Information and questions provided in pictures below.
Attachment 1

Attachment 2

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Screen Shot 2020-07-13 at 21.18.07.png
Screen Shot 2020-07-13 at 21.18.07.png

Fish
All Fresh Seafood
Catalina Offshore Products
Prices
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 u1 = mean wholesale prices from east coast fishery. Let /2 = mean wholesale prices
from west coast fishery . Which of the following statements correctly defines the null
hypothesis Ho?
A. H1 – 12 >0 (ud > 0)
B. M1 – M2= 0 (/d= 0)
C. H1 – H2 <0 (ud < 0)
D. H1 + H2= 0

 
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