A grassland ecosystem shows the following annual biomass (g/…
A grassland ecosystem shows the following annual biomass (g/m²): Trophic Level Biomass Producers 10,000 Primary consumers 1,200 Secondary consumers 150 Tertiary consumers 15 Approximately what percentage of energy is transferred from producers to primary consumers?
Read DetailsA dataset has the following 5 number summary: (15, 42, 52,…
A dataset has the following 5 number summary: (15, 42, 52, 56, 71). The dataset is quite large (sample size 120). Use the IQR method to check if any of the following values are outliers. Select the value(s) if any exist, that are outliers. Full credit can only be earned with appropriate work shown on scrap paper. Submit your scrap paper to the dropbox within 15 minutes of finishing your test.
Read DetailsTo estimate the proportion of Americans who support changing…
To estimate the proportion of Americans who support changing the drinking age from 21 to 18, a random sample of college students are asked “Would you support a measure to lower the drinking age from 21 to 18?” In the box below, type your answers to the following: Identify the intended population. Identify the sample. Is this biased? If you answered yes to part 3, who might be overrepresented or underrepresented in the sample?
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