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Using the data provided in Table #9.2.5, do the data provide enough evidence to show that Catalina Offshore Products, a west coast fish wholesaler, is more expensive than All Fresh Seafood, an east coast fish wholesaler, for the specific fish types listed? Test at the 5% level.

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Table #9.2.5: Wholesale Prices of Fish in Dollars
All Fresh  Catalina Offshore
Fish        Prices   Prices
Cod         19.99    17.95
Tilapi      6.00     13.95
Farmed Salmon 19.99   22.99
Organic Salmon 24.99   24.09
Grouper Fillet 29.99   19.09
Tuna        28.95   31.95
Swordfish   23.49   23.09
Sea Bass    32.95   23.99
Striped Bass 29.95   14.95

To determine if **Catalina Offshore Products** is more expensive than **All Fresh Seafood** for the specific fish types listed in Table #9.2.5, we'll conduct a hypothesis test. Given that we're testing at the 5% significance level, we'll use a paired t-test, which compares the mean prices of two related groups (in this case, prices of the same types of fish sold by two wholesalers).

### Step 1: State the Hypotheses
- **Null Hypothesis (H₀):** The mean price of Catalina Offshore is **less than or equal to** the mean price of All Fresh Seafood.
  \[ H₀: \mu_{\text{Catalina}} \leq \mu_{\text{All Fresh}} \]
  
- **Alternative Hypothesis (H₁):** The mean price of Catalina Offshore is

Using the data provided in Table #9.2.5, do the data provide enough evidence to show that Catalina Offshore Products, a west coast fish wholesaler, is more expensive than All Fresh Seafood, an east coast fish wholesaler, for the specific fish types listed? Test at the 5% level.

Conduct a paired t-test to determine if Catalina Offshore Products is more expensive than All Fresh Seafood for various fish types. This statistical analysis, suitable for undergraduate-level students, covers hypothesis testing, paired t-test calculations, and data analysis for wholesale fish prices.

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