Question: The stale test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c] below 1423 1226 593

The stale test scores for 12 randomly selected high school seniors

The stale test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c] below 1423 1226 593 120 Assume the population is normally distributed 831 729 540 1446 940 In) Find the sample mean =(Round to one

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