Mathematics, 11.09.2019 22:10 isiahb123
Acrop scientist is conducting research with a drought resistant corn hybrid. she is interested in determining if using fertilizer x will increase plant height. she prepares 20 single acre plots and randomly assigns 10 to have normal soil while the other 10 are planted with fertilizer x. the resulting average height for each group of 10 plots was recorded. select all that apply.
a. this is best described as an observational study.
b. the response variable is whether or not fertilizer x was used.
c. the explanatory variable is the average height for each group of 10 plots
d. this study is best described as an experiment.
e. the explanatory variable is whether or not fertilizer x was used.
f. the response variable is the average height for each group of 10 plots
Answers: 3
Mathematics, 20.06.2019 18:04
Astore experienced a 14.2% fall in takings in february, compared to the previous month. their takings in february were ? 742,513.20 how much did they take in january?
Answers: 1
Mathematics, 21.06.2019 17:00
Drag the tiles to the correct boxes to complete the pairs. match the cart-coordinates with their corresponding pairs of y-coordinates of the unit circle
Answers: 3
Acrop scientist is conducting research with a drought resistant corn hybrid. she is interested in de...
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