Question
A biologist was interested in determining whether sunflower seedlings treated with an extract fromVinca minor roots resulted in a lower average height of sunflower seedlings
A biologist was interested in determining whether sunflower seedlings treated with an extract fromVinca minor roots resulted in a lower average height of sunflower seedlings than the standard height of 15.7 cm. The biologist treated a random sample of 33 seedlings with the extract and subsequently obtained a mean of 13.664 cm and a standard deviation of 2.544 cm for the heights of the plants.
What are the observational units?
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Linear Algebra A Modern Introduction
Authors: David Poole
4th edition
1285463242, 978-1285982830, 1285982835, 978-1285463247
