Which of the following cognitive biases refers to people's tendency to attribute their successes to personal ability and effort, and failures to forces outside their control?

self serving bias

Explanation:

Self-serving bias as described by the social psychologist refers to the tendency of the people to give themselves the credit for the positive events and blame external factors for the negative actions. For example, a director gives himself the credit for the success of his movie but if it fails he blame actors for it.

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; interpreting someone's past consistent with present deviance;