Back to Represent data with plots — Problem 2 · Task Set 1

Exercises: Represent Data with Plots on the Real Number Line

Work through each section in order. For plots, read carefully: dot plots show every individual value, histograms group values into intervals (bars touch), and box plots summarize data with the five-number summary (minimum, Q1, median, Q3, maximum). Write explanation answers in complete sentences.

Grade 9·22 problems·~35 min·Common Core Math - HS Statistics and Probability·group·hss-id-a-1
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Fluency Practice

Read each plot and answer. Use the displayed values.

1.

A data set of daily high temperatures (in °\degreeF) for one week is 71,73,72,74,70,73,9871, 73, 72, 74, 70, 73, 98. Using the rule that an outlier lies far from the rest of the data, how many values in this set are unusually far from the others (i.e., are outliers)?