Checkpoint: Confidence Intervals (6.4)
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Checkpoint: Confidence Intervals (6.4)
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Question 2
The table contains prices from two companies, one on the east coast and one on the west coast, for specific fish types. Find a \( 95 \% \) confidence interval for the mean difference in wholesale price between th east coast and west coast suppliers. Round to two decimal places.
Wholesale Prices of Fish in Dollars
\begin{tabular}{|r|r|r|}
\hline \multicolumn{1}{|c|}{ Fish } & East Coast & West Coast \\
\hline Cod & 20.99 & 22.99 \\
\hline Tilapia & 6 & 12 \\
\hline Farmed Salmon & 17.99 & 22.99 \\
\hline Organic Salmon & 26.99 & 24.99 \\
\hline Grouper Fillet & 31.99 & 37.99 \\
\hline Tuna & 28.99 & 32.99 \\
\hline Swordfish & 25.99 & 28.99 \\
\hline Sea Bass & 31.99 & 34.99 \\
\hline Striped Bass & 31.99 & 32.99 \\
\hline
\end{tabular}
Copy and Paste table into StatCrunch \( { }^{\text {® }} \)
With \( \square \) \% confidence, it can be said that the true mean difference in wholesale price between the east coast and west coast suppliers is between \$ \( \square \) and \$
\( \square \)
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