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Mathematics, 10.04.2020 02:07 foxrule

A psychologist investigates the effect of instructions on the time required to solve a puzzle. 20 subjects are given the same puzzle and are randomly assigned to receive two different sets of instructions prior to the task. One group is told that the task is difficult and the other group is told that the task is easy. What test should be used to see if there are differences between the two groups with regards to the time it takes to solve the puzzle?

a. Z-Test
b. T-Test for One Sample
c. T-Test for Independent Samples
d. One Variable Chi Square
e. One-Way ANOVA

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