ECN 221: FINAL EXAM QUESTIONS AND VERIFIED
ANSWERS |100% CORRECT | ALREADY GRADED A
categorical variable Correct Answers a variable that names categories
(whether with words or numerals)
quantitative variable Correct Answers a characteristic that can be
measured numerically
interval scale Correct Answers a scale of measurement in which the
intervals between numbers on the scale are all equal in size
nominal scale Correct Answers measurement in which numbers are
assigned to objects or classes of objects solely for the purpose of
identification
ordinal scale Correct Answers a scale of measurement in which the
measurement categories form a rank order along a continuum
ratio scale Correct Answers a quantitative scale of measurement in
which the numerals have equal intervals and the value of zero truly
means "nothing"
cross-sectional study Correct Answers A study in which a representative
cross section of the population is tested or surveyed at one specific time.
ANSWERS |100% CORRECT | ALREADY GRADED A
categorical variable Correct Answers a variable that names categories
(whether with words or numerals)
quantitative variable Correct Answers a characteristic that can be
measured numerically
interval scale Correct Answers a scale of measurement in which the
intervals between numbers on the scale are all equal in size
nominal scale Correct Answers measurement in which numbers are
assigned to objects or classes of objects solely for the purpose of
identification
ordinal scale Correct Answers a scale of measurement in which the
measurement categories form a rank order along a continuum
ratio scale Correct Answers a quantitative scale of measurement in
which the numerals have equal intervals and the value of zero truly
means "nothing"
cross-sectional study Correct Answers A study in which a representative
cross section of the population is tested or surveyed at one specific time.
