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Physics Group A and Group B did a ball drop experiment to practice collecting data. The ball was dropped from a fixed height by each group but we don't know if the height was the same or different. But we are provided with their data as shown in this table. Release Group A Group B t [ms] t [ms] 441 432 2 426 444 3 422 426 4 432 433 444 440 Average 433 435 Question 1 What is the uncertainty ( O A ) in the data of group A? O 0.05 [ms] O 1 [ms] O 4 [ms] 9 [ms] Question 2 What is the standard deviation of the data of group B? O 4 [ms] O 9 [ms] O 3 [ms] 7 [ms] PLEASE DONT COPY PASTE OLD ANSWERS