A Horticulturist Conducted an Experiment on 110 Thirty-Six Inch Plant

question 53

Multiple Choice

A horticulturist conducted an experiment on 110 thirty-six inch plant boxes to see if the amount ofplant food given to the plant boxes was associated with the number of tomatoes harvested from theplants. The average amount of plant food given was 27.8 milliliters with a standard deviation of 2.1milliliters. The average number of tomatoes harvested was 7.5 with a standard deviation of 1.5. Thecorrelation coefficient was 0.7691. Use the information to calculate the slope of the linear model thatpredicts the number of tomatoes harvested from the amount of plant food given. Show your workand round to the nearest hundredth.

• A) 1.08
• B) 0.55
• C) -7.50
• D) The slope cannot be determined without the actual data.

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