A sample of size n¡ = 16 is taken from a group of bees in one hive, and the sample variance in weight is 2.1 grams. A sample of size n2 = 16 is taken from another hive, and the sample variance is 0.8 grams. What is the estimated standard error for the difference between the two means? O 0.8 0.35 O 0.89 0.426

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