7.PS.2

The student will apply the data cycle (formulate questions; collect or acquire data; organize and represent data; and analyze data and communicate results) with a focus on histograms.

7.PS.2.aFormulate questions that require the collection or acquisition of data with a focus on histograms.7.PS.2.bDetermine the data needed to answer a formulated question and collect the data (or acquire existing data) using various methods (e.g., observations, measurement, surveys, experiments).7.PS.2.cDetermine how sample size and randomness will ensure that the data collected is a sample that is representative of a larger population.7.PS.2.dOrganize and represent numerical data using histograms with and without the use of technology.7.PS.2.eInvestigate and explain how using different intervals could impact the representation of the data in a histogram.7.PS.2.fCompare data represented in histograms with the same data represented in other graphs, including but not limited to line plots (dot plots), circle graphs, and stem-and-leaf plots, and justify which graphical representation best represents the data.7.PS.2.gAnalyze data represented in histograms by making observations and drawing conclusions. Determine how histograms reveal patterns in data that cannot be easily seen by looking at the corresponding given data set.
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