2. The histograms below describe the values taken by three sample statistics in several hundred samples from the same population. The true value of the population parameter is marked on each
histogram
B.
C
Parameter
Parameter
Parameter
Based on the distribution of the three statistics in many samples, which is preferred as an estimate of
the parameter? Justify your answer.

What happens to the composition of an atom to cause it to become positively or negatively charged?

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.