Question

2 23 2 25
3 25 3 30
4 26 4 16
5 21 5 20
average: 22.8 average: 23
a the hypothesis is true, the average number of deformed frogs in the polluted ponds and non - polluted ponds is almost the same.
b the hypothesis is true, the polluted ponds have more deformed frogs than the non - polluted ponds.
c the hypothesis is false, the polluted ponds have more deformed frogs than the non - polluted ponds.
d the hypothesis is false, the average number of deformed frogs between polluted ponds and non - polluted ponds is almost the same.

Explanation:

The average number of deformed frogs in polluted ponds (23) is slightly higher than in non - polluted ponds (22.8). This indicates that the hypothesis suggesting the average number is almost the same is false, and polluted ponds have more deformed frogs.

Answer:

c. The hypothesis is false, the polluted ponds have more deformed frogs than the non - polluted ponds.