STATISTICS PORTAGE CNSL 503
EXAM 2 2026 WITH QUESTIONS AND
ANSWERS
frequency distribution - correct answer-presents the frequency of every
value in a dataset
frequency tables - correct answer-displays the number of times (ex:
frequency) a certain value appears within the dataset in a table format
What does each column represent in frequency tables? - correct answer-
one column represents the category, the other column represents the
frequency
absolute frequency - correct answer-raw count
What type of frequency do you use when answering " how many student
out of the total number of students scored a letter grade?"? - correct
answer-relative frequency
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relative frequency - correct answer-the ratio between the absolute
frequency of a category and the total frequency
formula for relative frequency - correct answer-frequency in category/total
frequency
What type of frequency do you use when answering the question "how
many students scored a B or better?"? - correct answer-cumulative
frequency
cumulative frequency - correct answer-the sum of frequencies of all
preceding categories
Frequency tables can be used for what type of variables? - correct answer-
qualitative or quantitative variables
When using frequency tables for quantitative variables, group the
quantitative scores into groups called what? - correct answer-bins
frequency graphs - correct answer-pie charts, bar charts, histograms,
frequency polygons, stem and leaf plots
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What type of frequency graphs are used for qualitative variables? - correct
answer-pie charts and bar charts
What type of frequency graphs are used for quantitative variables? - correct
answer-histograms, frequency polygons and stem and leaf plots
pie charts - correct answer-displays relative frequencies (and not
necessarily absolute frequencies) of each category for qualitative variables
in a pie
Each portion of a pie represents... - correct answer-a different category
The size of each portion is proportional to... - correct answer-the relative
frequency of that category
The entire pie represents... - correct answer-100% of the scores
Pie charts are good to visualize... - correct answer-frequencies