How do i change the null hypothesis in order to make it work?
Identify the flaw in the null hypothesis. If you have nullified a hypothesis, you’ve presumably falsified it using the scientific method. According to Statistics.com, only observable data that contradict the hypothesis can nullify it. If the hypothesis was “People who drink 8 oz. of coffee in the morning will experience a higher average heart rate than people who drink 8 oz. of soda,” someone could nullify it by doing a double-blind study in which subjects in both groups experienced the same average heart rate.Narrow or broaden the hypothesis based on the data. If you noticed that, using the above example, coffee seemed to cause a higher heart rate in the first hour after drinking but that soda increased the heart rate for longer, you might narrow the hypothesis to read, “Eight oz. of coffee increases the average heart rate within the first hour of consumption more than the same amount of soda.” Then you must test the hypothesis with another study and continue adjusting the scope of th