Examlex
The paired samples t-test tests the null hypothesis that the mean difference between the before and after test scores is zero.
Number Expression
An arrangement of numbers and mathematical symbols that collectively represent a numerical value or equation.
Full-grown Giraffe
A fully matured giraffe, typically characterized by its long neck and legs, and distinctive coat patterns.
Calves
Young bovine animals, especially domestic cattle, or the young of other large mammals such as elephants and whales.
Number Expression
A mathematical phrase that can involve numbers and operations symbols, but doesn’t include an equal sign.
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