Examlex
In spite of its advantage in discounting extreme observations,the median is used less frequently than the mean.Why?
Null Hypothesis
A hypothesis used in statistics that suggests no significant difference or effect, serving as a default position before any evidence is considered.
Chi-square Test
A statistical test used to determine the association between categorical variables, assessing whether observed frequencies differ significantly from expected frequencies.
Null Hypothesis
A null hypothesis is a type of hypothesis used in statistics that proposes no significant difference or effect, serving as the default assumption until evidence suggests otherwise.
Simple Random Samples
A subset of a statistical population in which each member of the subset has an equal probability of being chosen.
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