1. Find the measures of central tendency for this data set of 31 salaries.
2. Find the measure of dispersion.
3. Create a grouped frequency table and a histogram of the income (using 5 classes).

97469

97912

96697

96653

96664

95744

94929

96928

97681

96244

96886

96727

96690

96572

98717

106292

95801

95385

95865

109312

114051

110651

107338

101829

102244

113558

100947

107369

106894

97769

98885