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For each of the following experiments, decide whether the difference between conditions is statistically significant at the 0.05 level (two-tailed). Experimental Group Control Group NE

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For each of the following experiments, decide whether the difference between conditions is statistically significant at the 0.05 level (two-tailed). Experimental Group Control Group NE ME SE Nc Mc ON (a) 20 606 60 20 608 50 (b) 40 606 60 40 608 50 (c 20 606 20 40 608 16 Click the icon to view the table of cutoff scores for t. . . . Determine the research hypothesis and null hypothesis for these tests. The research hypothesis is that the population mean for the experimental group is different from the population mean for the control group. The null hypothesis is that the population mean for the experimental group is the same as the population mean for the control group. For experiment (a), determine the cutoff score(s) on the comparison distribution for the t test. (Use a comma to separate answers as needed. Round to three decimal places as needed.)

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