The box plots below show student grades on the most recent exam compared to overall grades in the class:

which of the following best describes the information about the medians?
a. the exam outlier at 60 makes the iqr narrower and the median higher.
b. the class data is more evenly spread, which pulls its median down.
c. the class median is lower than the exam median.
d. the class q3 is higher than the exam q3.

Acylinder has volume 45π and radius 3. what is it’s height?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

In a test for esp (extrasensory perception), the experimenter looks at cards that are hidden from the subject. each card contains either a star, a circle, a wave, a cross or a square.(five shapes) as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. when the esp study described above discovers a subject whose performance appears to be better than guessing, the study continues at greater length. the experimenter looks at many cards bearing one of five shapes (star, square, circle, wave, and cross) in an order determined by random numbers. the subject cannot see the experimenter as he looks at each card in turn, in order to avoid any possible nonverbal clues. the answers of a subject who does not have esp should be independent observations, each with probability 1/5 of success. we record 1000 attempts. which of the following assumptions must be met in order to solve this problem? it's reasonable to assume normality 0.8(1000), 0.2(1000)%30 approximately normal 0.8(1000), 0.2(1000)% 10 approximately normal srs it is reasonable to assume the total number of cards is over 10,000 it is reasonable to assume the total number of cards is over 1000