Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.
the mean of a population being sampled is 64, and and the standard deviation is 6.
if the sample size is 50, the standard error of the mean is
. (round off your answer to the nearest hundredth.)

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .