The standard error of the mean question 4 options: is never larger than the standard deviation of the population. decreases as the sample size increases. measures the variability of the mean from sample to sample. all of the above.

What is the product? (x2+3y+7) [yy+1)

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.