Martin kept track of the number of times he had to flip a coin before it landed tails up.

number of flips to land tails up
a dot plot going from 1 to 5. 1 has 1 dot, 2 has 4 dots, 3 has 2 dots, 4 has 6 dots, and 5 has 5 dots.

which is a true statement about the dot plot?
six times it took 4 flips of the coin to land tails up.
twice it took 4 flips of the coin to land tails up.
it took 6 flips of the coin to land tails up more often than any other number of flips.
the greatest number of flips it took to land tails up was 6.