Question

2.3 Given the following ordered arrangement of ungrouped data:

114 118 121 124 127 131 134 137
116 119 122 125 127 131 135 137
116 120 123 125 128 133 135 141
116 121 123 126 129 133 135 143
117 121 124 126 129 134 135 147

Arrange the data in a frequency distribution having the following columns:
Class boundaries, frequency, class mark.
Let the boundary values of the first class be: 110 - < 115

Answer 1

Answer on Question #52453 – Math - Statistics and Probability

Arrange the data in a frequency distribution having the following columns: Class boundaries, frequency, class mark.

Let the boundary values of the first class be: 110 - < 115.

**Solution:**

The frequency is given by the number of elements in the class. The class mark is given by the sum of upper and lower limits divided by 2. Therefore,

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