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WGU C955 OBJECTIVE ASSESSMENT APPLIED PROBABILITY AND STATISTICS OA EXAM LATEST ACTUAL EXAM $17.99   Add to cart

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WGU C955 OBJECTIVE ASSESSMENT APPLIED PROBABILITY AND STATISTICS OA EXAM LATEST ACTUAL EXAM

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WGU C955 OBJECTIVE ASSESSMENT APPLIED PROBABILITY AND STATISTICS OA EXAM LATEST ACTUAL EXAM

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  • September 24, 2024
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  • 2024/2025
  • Exam (elaborations)
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WGU C955 OBJECTIVE ASSESSMENT APPLIED PROBABILITY
AND STATISTICS OA EXAM LATEST ACTUAL EXAM TEST BANK
MODULE 1-MODULE 7
distribution - ANSWER: an arrangement of values that demonstrates their frequency
or occurrence

pie chart - ANSWER: categorical data, %

bar chart - ANSWER: categorical data; displays counts or frequencies for a category

dot plot - ANSWER: quantitative data, data is represented by a single point

stem plots - ANSWER: quantitative data, shows distribution while representing
specific data points

box plots - ANSWER: quantitative data, can be used to compare data sets, each part
is 25% of data

histograms - ANSWER: quantitative data, display frequencies or counts

quantitative data - ANSWER: numerical data, consists of data values that are
numerical, representing quantities that can be counted or measured

categorical data - ANSWER: data that consists of names, labels, or other
nonnumerical values

relative frequency - ANSWER: a way to approximate a percentage by dividing the
number of times an event occurred by the number of trials

frequency distribution - ANSWER: a record of the number of times data occurs within
a certain category

outliers - ANSWER: an observation point (number) that is distant from the other
observations of a data set

center - ANSWER: a measure of central tendency that is used to describe an entire
set of data with one value that represents the middle or center of the distribution
(mean, median, mode)

interval - ANSWER: a set of numbers between two specified values

check sheet - ANSWER: a table that allows data to be collected by marking how often
an event has occurred in a certain interval

, symmetric distributions - ANSWER: the left half of a data set being roughly identical
to the right half

bell curve - ANSWER: normal distribution, results from graphing frequency versus
distribution for a trait that varies continuously in a population

skewed-right - ANSWER: type of data distribution where frequency starts small,
increases, then gradually decreases again

skewed-left - ANSWER: distribution where data starts small and consistently
increases before dropping off again

u-shaped - ANSWER: distribution where data in the middle is lower than the data on
the left or right

uniform - ANSWER: distribution where all data is virtually the same

bimodal - ANSWER: data set with only two peaks

multimodal - ANSWER: data set with multiple peaks

statistics - ANSWER: the collection and classification of data that are in the form of
numbers

reliable data - ANSWER: data that is consistent and repeatable

valid data - ANSWER: data resulting from a test that accurately measures what it was
intended to measure

five number summary - ANSWER: lists the minimum, first quartile, median, third
quartile, and maximum in a data set

quartiles - ANSWER: divides data into four equally sized groups

interquartile range - ANSWER: difference between the third quartile and the first
quartile

normal symmetric (measures of center and spread) - ANSWER: mean; standard
deviation

skewed (measures of center and spread) - ANSWER: median; range or interquartile
range

explanatory variable (independent variable) - ANSWER: the cause of some result

response variable (dependent variable) - ANSWER: the affected or changed variable

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