3. A researcher is comparing the effectiveness of two sets of instructions for assembling a child's bike. A sample of eight parents is obtained. Half of the parents are given one set of instructions and the other half receives the second instruction set. The researcher measures how much time is needed for each parent to assemble the bike. The scores are the number of minutes needed by each participant. Instruction Set 1 Instructions Set 2 8 14 4 10 8 6 4 10 Is there a significant difference in time for the two sets of instructions? Use a two-tailed test at the .05 level of significance.

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