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A horticulturalist claims that a seaweed extract in compost will in- crease the leaf size of a plant. The area of the leaves of 10 plants were measured before and after the seaweed extract was added, de- noted X, and Y, respectively. The values are in cm?. Let D, be the difference D, = X, – Y;. The following information is available: %3D EDi = 31.71 and D? = 120.358. %3D (b) Simply showing that the leaf size has increased is not sufficient; redo the test for an increase of 5 cm2.

A horticulturalist claims that a seaweed extract in compost will in- crease the leaf size of a plant. The area of the leaves of 10 plants were measured before and after the seaweed extract was added, de- noted X, and Y, respectively. The values are in cm?. Let D, be the difference D, = X, – Y;. The following information is available: %3D EDi = 31.71 and D? = 120.358. %3D (b) Simply showing that the leaf size has increased is not sufficient; redo the test for an increase of 5 cm2.

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter61: Areas Of Circles, Sectors, And Segments
Section: Chapter Questions
Problem 50A
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2. A horticulturalist claims that a seaweed extract in compost will in- crease the leaf size of a plant. The area of the leaves of 10 plants were measured before and after the seaweed extract was added, de- noted X, and Y, respectively. The values are in cm². Let D; be the difference D; = X¡ – Y;. The following information is available: ΣDi= 31.71 and ΣDf120.358 (b) Simply showing that the leaf size has increased is not sufficient; redo the test for an increase of 5 cm².
Transcribed Image Text:2. A horticulturalist claims that a seaweed extract in compost will in- crease the leaf size of a plant. The area of the leaves of 10 plants were measured before and after the seaweed extract was added, de- noted X, and Y, respectively. The values are in cm². Let D; be the difference D; = X¡ – Y;. The following information is available: ΣDi= 31.71 and ΣDf120.358 (b) Simply showing that the leaf size has increased is not sufficient; redo the test for an increase of 5 cm².
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