PORTAGE MATH 110 ELEMENTARY STATISTICS (MODULE 2) QUESTIONS AND VERIFIED ANSWERS WELL GRADED (NEW 2025 /2026 UPDATE)QUESTIONS WITH VERIFIED ANSWERS 100% CORRECT /A+ GRADE

PORTAGE MATH 110 ELEMENTARY
STATISTICS (MODULE 2) QUESTIONS
AND VERIFIED ANSWERS WELL GRADED
(NEW 2025 /2026 UPDATE)QUESTIONS
WITH VERIFIED ANSWERS 100%
CORRECT /A+ GRADE




Number of classes - CORRECT ANSWER-(usu b/w 5 and 20)
less than 25 > 5 to 6
25 to 50 > 7 to 14
More than 50 > 15-20


Width of class - CORRECT ANSWER-approx width =
(largest data value - smallest data value) / # of classes


qualitative data - CORRECT ANSWER-frequency distributions
relative frequency distributions
percent frequency distributions
Graphical: bar, column, pie charts


quantitative data - CORRECT ANSWER-frequency
distributions
relative frequency distributions
percent frequency distributions

, Graphical: histograms


positive relationship - CORRECT ANSWER-an association
between two variables in which they increase or decrease
together


negative relationship - CORRECT ANSWER-an association
between two variables in which one increases while the other
decreases


no relationship - CORRECT ANSWER-as one variable increases
the other stays the same


measures of central tendency - CORRECT ANSWER-mean,
median, mode
"typical" or "average" value of a data set


sample mean - CORRECT ANSWER-x bar
the arithmetic average value of the responses on a variable
(sum of values / number of observations)


population mean - CORRECT ANSWER-μ (mu)
calculated mean of the entire population (sum of values in
population / N = number of observations in pop)


median - CORRECT ANSWER-midpoint
the middle score in a distribution; half the scores are above it
and half are below it