save your money writing the hypothesis
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A hypothesis is an explanation for a set of observations. Here are examples of a scientific hypothesis.
Although you could state a scientific hypothesis in various ways, most hypotheses are either "If, then" statements or else forms of the null hypothesis. The null hypothesis sometimes is called the "no difference" hypothesis. The null hypothesis is good for experimentation because it's simple to disprove. If you disprove a null hypothesis, that is evidence for a relationship between the variables you are examining. For example:
Examples of the Null Hypothesis
Hyperactivity is unrelated to eating sugar.
All daisies have the same number of petals.
The number of pets in a household is unrelated to the number of people living in it.
A person's preference for a shirt is unrelated to its color.
Examples of an If, Then Hypothesis
If you get at least 6 hours of sleep, you will do better on tests than if you get less sleep.
If you drop a ball, it will fall toward the ground.
If you drink coffee before going to bed, then it will take longer to fall asleep.
If you cover a wound with a bandage, then it will heal with less scarring.