Select the correct answerWhich data set has a wider spread? Why?Set A: {9, 11, 24, 11, 4, 20, 16, 7, 18, 15, 28, 6}Set B: {9, 12, 15, 3, 21, 24, 5, 9, 16, 21}a. set a b. set b has a wider spread becausea. its mean is greaterb. its range is greater