Algebra-1

A survey was conducted to find out the number of pets owned by 20 families. The results are: {1, 2, 1, 3, 2, 1, 2, 3, 1, 2, 1, 2, 3, 2, 1, 2, 3, 2, 1, 2}. Create a frequency table to find the frequency of the value 2.