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Fig. 3.5 Final Spreadsheet for the Chevy Impala Conﬁdence Interval About the Mean
3. “If we change the format for teaching Introductory Biology to our
undergraduates, then their ﬁnal exam scores will increase by 8 percent.”
A hypothesis, then, to a research scientist is a “guess” about what we think is true
in the real world. We can test these guesses using statistical formulas to see if our
predictions come true in the real world.
So, in order to perform these statistical tests, we must ﬁrst state our hypotheses
so that we can test our results against our hypotheses to see if our hypotheses match
So, how do we generate hypotheses in science research?
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