The Midpoints of Intervals for Frequency Distributions Constructed with Interval-Ratio

question 9

Multiple Choice

The midpoints of intervals for frequency distributions constructed with interval-ratio variables are found by

• A)adding the upper and lower class limits for each interval and then dividing by 2.
• B)multiplying the upper and lower class limits for each interval.
• C)dividing the range by 10.
• D)None of these.Class intervals for interval-ratio variables do not have midpoints.

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