The Table Below Gives Information Concerning the Gasoline Mileage for Random

question 5

Multiple Choice

The table below gives information concerning the gasoline mileage for random samples of trucks of two different types.Find a 95% confidence interval for the difference in the means $\mu_\mathrm { X }$ - $\mu_Y$ . $$\begin{array} { l | c c } & \text { Brand } \mathrm { X } & \text { Brand Y } \\\hline \text { Number of Trucks } & 50 & 50 \\\text { Mean mileage } & 20.4 & 24.9 \\\text { Standard Deviation } & 2.3 & 1.8\end{array}$$

• A)(3.68,5.32)
• B)(-5,-4)
• C)(4,5)
• D)(-5.32,-3.68)
• E)(20.4,24.9)

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Definitions:

Network Models

Analytical mathematical structures that are designed to represent complex relationships and interactions in a variety of contexts, such as social networks, distribution systems, or communication networks.

Quantitative Approach

A method based on measurable data to analyze phenomena and make decisions, typically using statistical or mathematical techniques.

Inventory Analysis

The examination of inventory to ensure optimal stock levels, considering factors like sales velocity, turnover rates, and seasonality.

Mathematical Forecasting

The use of mathematical models and statistical techniques to predict future trends or outcomes based on historical data.