Hannah has developed a scale for assessing social interaction among children with moderate to severe developmental disabilities. She decides to look at the interrelationships among the items in the test. Hannah is assessing reliability.

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 !

answer; intentional; outrageous;

answer; did not understand that the act was wrong because she/he was suffering from a mental illness;

answer; all of the above are correct;