Consider the following competing hypotheses and accompanying sample data drawn independently from normally distributed populations. (You may find it useful to reference the appropriate table: Ztable or table) He: #1 #20 HA: 1-20 F-71 01-15.00 1 - 21 22- 74 02 1.56 #2 - 21 e-1. Calculate the value of the test statistic. (Negative value should be indicated by a minus sign. Round final answer to 2 decimal places.) Test statistic

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