In an observational study, which of the choices below refers to a snapshot of all data collected and the statistical analyses conducted?
a) introduction
b) methodology
c) results
d) discussion

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25