STATISTICS PORTAGE CNSL 503 PROCTORED MIDTERM QUESTIONS WITH 100 PERCENT SOLVED ANSWERS

STATISTICS PORTAGE CNSL 503 PROCTORED
MIDTERM QUESTIONS WITH 100 PERCENT
SOLVED ANSWERS


◉frequency tables . 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? . Answer:
one column represents the category, the other column represents
the frequency


◉absolute frequency . 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?"? .
Answer: relative frequency


◉relative frequency . Answer: the ratio between the absolute
frequency of a category and the total frequency


◉formula for relative frequency . 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?"? . Answer: cumulative
frequency


◉cumulative frequency . Answer: the sum of frequencies of all
preceding categories


◉Frequency tables can be used for what type of variables? . Answer:
qualitative or quantitative variables


◉When using frequency tables for quantitative variables, group the
quantitative scores into groups called what? . Answer: bins


◉frequency graphs . Answer: pie charts, bar charts, histograms,
frequency polygons, stem and leaf plots


◉What type of frequency graphs are used for qualitative variables? .
Answer: pie charts and bar charts


◉What type of frequency graphs are used for quantitative variables?
. Answer: histograms, frequency polygons and stem and leaf plots