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A psychologist studying intelligence tested the intelligence of 30 college psychology students using the Wechsler Adult Intelligence Scale-Third Edition (WAIS-III). Following is a table of the full-scale intelligence scores the psychologist obtained:
For the data presented above,
a. Create a table showing the cumulative frequency distribution of the individual scores.
b. Create a stem-and-leaf plot of the data.
c. Create a table using intervals to summarize the data. |
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