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The British government,concerned with working conditions in the early 1800s,held a series of hearings and upon learning of conditions that existed in British factories:
Null Hypothesis
A statement used in statistics that proposes there is no significant difference or effect, serving as the default assumption to be tested against an alternative hypothesis.
Test Statistic
A statistic (a function of the data) used in statistical hypothesis testing to decide whether to reject the null hypothesis.
P-value Approach
A method in hypothesis testing that uses the p-value, the probability of obtaining test results at least as extreme as the observed, under the assumption the null hypothesis is true.
Critical Values
Specific points along the scale of a test statistic that delineate the acceptance or rejection of the null hypothesis.
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