Examlex
Ernest Rutherford is credited with:
I.the nuclear model of the atom
II.the identification of alpha and beta particles
III.the discovery of protons
IV.the prediction of a third,neutral,subatomic particle
Test Statistic
A value calculated from sample data that is used in a hypothesis test to determine whether to reject the null hypothesis.
Degrees Of Freedom
The number of independent values or quantities which can be assigned to a statistical distribution or calculation.
Null Hypothesis
A hypothesis stating there is no significant difference or effect, serving as the default assumption in hypothesis testing.
T Test
A statistical test used to compare the means of two groups to see if there is a significant difference between them, often used when dealing with small sample sizes.
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