2. (20 Points) Consider the following sets of three measurement of the accelerat

Question

2. (20 Points) Consider the following sets of three measurement of the acceleration due to gravity made students named Kathy, Davion, Jelisa, and Monica. The standard value for the acceleration due to gra 9.80 m/s. Find the means, the sample standard deviations , and the standard errors for each stu Kathy Monica n8 11.61 Measurement 1 Measurement 29.53 Measurement 2 9.38 Davion 8.75 8.77 8.70 elisa 9.86 9.70 2 8.94 Mean Standard Deviatiorn Standard Error 0.09 0S2 0.50 19 /- Which student is the most accurate? Why? Which student is the most precise? Why? eamew -Which student has a systematic error in his her measurements? Why? nouc

Explanation / Answer

1) most accurate--- Jelisa ; as score is nearest to 9.80

2) most precise ---Davison: due to smallest std deviation

3) systematic error --Monica --due to highest std deviation

Kathy Davision Jelisa Monica 1 8.87 8.75 9.86 11.61 2 9.53 8.77 9.7 7.83 3 9.38 8.7 9.72 8.85 mean 9.26 8.74 9.76 9.43 std deviaiton 0.282 0.029 0.071 1.597 std error 0.163 0.017 0.041 0.922

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