Elena would like to know the average height of seventh graders in her school district . She measures the heights of everyone in random sample of 29 students . The mean height of elenas sample is 61 inches , and the MAD (mean absolute deviation) is 2 inches
Select all the true statements . Make your selections bold .
A ) the median height of the sample must be between 59 and 63 inches .
B ) another random sample of 20 students is likely to have a mean between 57 and 65 inches .
C ) the mean height of these 20 students is likely to be the same as the mean height of all students district .
D ) the mean height of these 20 students is likely to be the mean height of second random sample of 20 students .