In a grouped frequency distribution, one interval is listed as 50-59 . Assuming that the scores are measuring a continuous variable, what are the real limits for this interval?
a. 50 and 59 c. 49.5 and 59.5
b. 50.5 and 59.5 d. 49.5 and 60.5
Question 2
A biologist records the number of trout, bass, perch, and other types of fish caught in a local lake during a 2-week period. If the results are organized in a frequency distribution table, what values would be listed in the first column?
a. Frequencies c. The 14 days
b. Different types of fish d. The days of the week
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The threshold model explains the discontinuous distribution of some multifactorial traits. In this m