Use the image to answer the question.
An illustration shows a bar graph. The x-axis ranges from 50 to 54 in one unit increments. The y-axis ranges from 0 to 4 in one unit increments. The bar values are 4 units for 50; 0 units for 51; 2 units for 52; 3 units for 53; and 1 unit for 54. Identify the gap in the bar graph. Which number represents the gap in the data?
A)52
B)51
C)49
D)54
B) 51
There is a gap in the bar graph at the number 51, as there is no bar representing this value.