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Lab exam review

# Lab exam review - Lab exam review 1 Metric system system of...

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Lab exam review+ 1) Metric system: system of measurement / a consistent way for scientist to measure meter/length, liter/volume kg/mass and Celsius/temperature. 2) Density = mass /volume 3) Diet coke float because it’s less dense than water ( it’s has less sugar weightless) 4) Regular coke sinks because it’s more dense/more mass than water. 5) Metric conversion: 6) Standard deviation: ½ variance +_ mean indicate how measurement vary about the mean 7) Median: middle value of a group of a measurements 8) Mean is arithmetic average of a group of measurement 9) Range: different between 2 extreme measurement 10) Variance: sum of squared deviation / totals number of samples -1 11) Meter: basic unit of lengths 12) Volume: spaced occupied by an object. 13) Meniscus: interface between water and air, it‘s curved because of surface tension and the adhesion of water to the sides of the cylinder. 14) Statistic: way to organize, summarize, and describe data- it is samples of information from a much larger population of value.

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