An Experiment Was Performed on a Certain Metal to Determine

question 55

Multiple Choice

An experiment was performed on a certain metal to determine if the strength is a function of heating time.The simple linear regression equation is = 1 + 1X.The time is in minutes and the strength is measured in pounds per square inch. Provide a managerial interpretation of the slope.

• A)As time heated increase by one minute,the strength increases by 1lb.per sq.inch
• B)This is the direct relationship between X and Y
• C)If the metal is not heated,the estimated average metal strength is 1lb.per sq.inch.
• D)Y-intercept cannot be interpreted

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