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COMM 191 Unit 3 Questions and Answers with Verified Solutions | Latest 2026 Update

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COMM 191 Unit 3 Questions and Answers with Verified Solutions | Latest 2026 Update

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COMM 191 Unit 3 Questions and Answers with Verified Solutions |
Latest 2026 Update




Q: What to look for on a histogram

Answer:
1) # of peaks
2) shape
3)Identify any outliers

Q: unimodal

Answer:
One peak in a distribution curve

Q: bimodal

Answer:
more than 1 peak in a distribution curve

Q: Shape

Answer:
refers to whether a distribution is symmetrical or asymmetrical (skewness)

, COMM 191 Unit 3 Questions and Answers with Verified Solutions |
Latest 2026 Update




Q: outliers

Answer:
unusable observations a long way from the main body of data

Q: Stemplot

Answer:
a graphical representation of quantifiable data that organizes data points into a
visual display resembling a histogram. It separates each data value into 2 parts: stem
and leaf

Q: Time series plot

Answer:
a graph used to display the data points collected at successive time intervals

Q: Centre (for quantitative data)

Answer:
describes the central or typical value of a data set

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