Plz answer this I really need help

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

What is the quadric regression equation that fits these data