Question: Consider the following hypothesis test. H0: ???? 20 Ha: ???? < 20 A sample of 50 provided a sample mean of 19.5. The population standard

Consider the following hypothesis test. H0: ???? 20 Ha: ???? < 20 A sample of 50 provided a sample mean of 19.5. The population standard deviation is 2. (a) Find the value of the test statistic. (Round your answer to two decimal places.)

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