In order to determine whether or not a special tutoring service improves the scores of students in a Business Statistics examination, a sample of 6 students were given the exam before and after using the tutorial service. The results are shown below.
Let d = Score After - Score Before.
At = 0.10, test to see if the tutorial service actually increased scores on the examination.
Definitions:
Genetic Component
The contribution of genes to the development of traits, behaviors, or conditions, reflecting the hereditary aspect of biological inheritance.
Ultrasound
Sound waves too high in pitch to be sensed by the human ear.
Fetuses
Refers to the later stages of development in the womb, from the end of the embryonic stage to birth.
Handedness
The preferential use of one hand over the other for performing tasks and activities, typically classified as right-handed, left-handed, or ambidextrous.
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