Amother tells the school nurse that her 5-year-old is refusing to go to school and won’t accept a ""school night"" bedtime. the school nurse knows the mother will need more instruction when the mother makes which statement?

the median of the data is 4.

step-by-step explanation:

the median means the middle number of a given number.

to decide which one is the median, arrange in ascending or descending order. but sometimes, you may find two(2) number in the middle, but it's easy, just add them together and divide by 2.

so,   determine the median of the data. 2, 3, 3, 4, 5, 7, 9

it is already arranged, count 3 times forward and 3 backward and the one left is your answer.

2,3,3,4,5,7,9

our answer is 4.

hope this !

i would say b. research typically uses a variety of sources

answer; the edward snowden leaks of nsa classified material;