II. PROBLEM SOLVING 1) A line's length has been measured repeatedly on different occasions. The following are the results obtained: 1st measurement record = 352.33 ± 0.03cm 2nd measurement record = 351.79 ± 0.07cm 3rd measurement record = 352.16 ± 0.08cm 4th measurement record = 352.84 ± 0.01cm 5th measurement record = 351.55 ± 0.04cm Determine the weighted mean of the 5 sets of measurements. Given the computed weighted mean of the measurements, what is the relative precision if the true length of the line is 352.39cm.

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