Question

use the appropriate formulas and methods to answer the following questions. do not use technology as an aid, unless otherwise stated.
part 1 of 6
hint 1 hint 2 hint 3 hint 4 hint 5
below are iq scores from 30 randomly selected adults.
{ 60, 70, 79, 79, 81, 82, 83, 84, 91, 94, 95, 96, 99, 101, 101, 104, 104, 106, 107, 107, 108, 110, 111, 112, 114, 115, 118, 124, 124, 124 }.
first, give the mean of the data set.
100.3
×
part 2 of 6
next, give the median of the data set.
102.5
✓
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 the mode definition

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

Step2: Count the frequency of each number

60 appears 1 time, 70 appears 1 time, 79 appears 2 times, 81 appears 1 time, 82 appears 1 time, 83 appears 1 time, 84 appears 1 time, 91 appears 1 time, 94 appears 1 time, 95 appears 1 time, 96 appears 1 time, 99 appears 1 time, 101 appears 2 times, 104 appears 2 times, 106 appears 1 time, 107 appears 2 times, 108 appears 1 time, 110 appears 1 time, 111 appears 1 time, 112 appears 1 time, 114 appears 1 time, 115 appears 1 time, 118 appears 1 time, 124 appears 3 times.

Step3: Identify the mode(s)

Since 124 appears the most frequently (3 times), the mode is 124.

Answer:

124