Question

below are iq scores from 30 randomly selected adults. { 78, 82, 88, 88, 89, 93, 97, 98, 98, 98, 100, 101, 101, 102, 103, 104, 106, 106, 107, 109, 110, 115, 116, 118, 118, 119, 119, 122, 128, 130 }. first, give the mean of the data set. part 2 of 6 next, give the median of the data set. 103.5 part 3 of 6 now give the mode of the data set. if there is more than one, write them in order, separated by commas.

Explanation:

Step1: Recall mode definition

The mode is the number that appears most frequently in a data - set.

Step2: Count frequencies

In the data - set {78, 82, 88, 88, 89, 93, 97, 98, 98, 98, 100, 101, 101, 102, 103, 104, 106, 106, 107, 109, 110, 115, 116, 118, 118, 119, 119, 122, 128, 130}, the number 98 appears 3 times, 88 appears 2 times, 101 appears 2 times, 106 appears 2 times, 118 appears 2 times, 119 appears 2 times, and all other numbers appear 1 time.

Answer:

98