Question

Ho (null hypothesis): The mean for the effectiveness of wax for all three brand are equal.
HA (alternate hypothesis): The mean for the effectiveness of wax for all three brand are not equal.

paraphrase the above sentences

Answer 1

Null hypothesis: The mean effectiveness of wax for all three brands is equal.
Alternative hypothesis: The mean effectiveness of wax for all three brands is not equal.

Answer 2

paraphrase the two sentences given below

Null hypothesis: The mean effectiveness of wax for all three brands is equal.
Alternative hypothesis: The mean effectiveness of wax for all three brands is not equal.

Answer 3

Rephrased:

1. Null hypothesis: There is no difference in the mean effectiveness of wax among all three brands.
2. Alternative hypothesis: There is a difference in the mean effectiveness of wax among all three brands.