Help me (192 is mistake)

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

What is the frequency of the sinusoidal graph?