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1. 9 students were randomly selected at NPU and the following data were collected
Student: John Mike Lisa Al Paul Bob Lily Rose Mary
Weight(1b): 130 161 121 143 168 156 144 110 114
Major: CS EE CS CS EE MBA CS MBA MBA
b) Find the mean, median and standard deviation for the weight
Solution
mean=(130+..+114)/9= 138.5556
median=143
standard deviation=[(130-138.5556)^2+..+(114-138.5556)^2]/(9-1)=20.98875

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1. 9 students were randomly selected at NPU and the following data w.pdf

  • 1. 1. 9 students were randomly selected at NPU and the following data were collected Student: John Mike Lisa Al Paul Bob Lily Rose Mary Weight(1b): 130 161 121 143 168 156 144 110 114 Major: CS EE CS CS EE MBA CS MBA MBA b) Find the mean, median and standard deviation for the weight Solution mean=(130+..+114)/9= 138.5556 median=143 standard deviation=[(130-138.5556)^2+..+(114-138.5556)^2]/(9-1)=20.98875