Jim weighs himself on his personal scale 4 different times.The values he obtains are 155 pounds, 154 pounds, 155.5 pounds, and 155 pounds.On his doctor's scale he weighed 168 pounds.Based on these results we can say that his personal scale is

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Jim's personal scale shows results that are very close to each other (154, 155, 155.5, 155), indicating precision. However, there's a significant difference between the weight measured on his personal scale and the doctor's scale (155 vs. 168 pounds), indicating a lack of accuracy.

Jim Weighs Himself on His Personal Scale 4 Different Times