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
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.
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.
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.
Null hypothesis (Ho): The average effectiveness of wax is the same for all three brands.
Alternative hypothesis (HA): The average effectiveness of wax is different for at least one of the three brands.