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WGU C955 Applied Probability and Statistics Focused on Module Two: Fractions, Decimals, & Percentages Questions and Answers 2024/2025$11.49
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WGU C955 Applied Probability and Statistics Focused on Module Two: Fractions, Decimals, & Percentages Questions and Answers 2024/2025
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Course
WGU C955
Institution
WGU C955
WGU C955 Applied Probability and Statistics Focused on Module Two: Fractions, Decimals, & Percentages Questions and Answers 2024/2025
Voluntary sample - correct answer Members of the sample may choose not to respond. Similar to non-response.
Convenience sample - correct answer Participants ar...
WGU C955 Applied Probability and Statistics
Focused on Module Two: Fractions, Decimals,
& Percentages Questions and Answers
2024/2025
Voluntary sample - correct answer Members of the sample
may choose not to respond. Similar to non-response.
Convenience sample - correct answer Participants are easy
for researcher to access. Tends to increase bias.
Cluster sample - correct answer Sample frame is divided into
groups, we select a few groups, then selecting ALL of the
members of those groups.
Stratified sample - correct answer Sample frame is divided
into groups. Then we choose a random sample (usually the same
size) from within EVERY group.
Multi-stage sample - correct answer Multiple rounds of
randomness and grouping. For example: randomly selecting a
few groups, then choosing a small random sample just those
selected groups. Often a combination of Cluster and Stratified
Sampling.
P(A)*P(B) - correct answer independent events: P(A and B) =
P(A|B) - correct answer P(A and B) ÷ P(B)
,P(A or B) - correct answer P(A) + P(B) - P(A and B)
P(A and B) - correct answer P(A)*P(B|A)
Box plot - correct answer an image that has 5 number
summary:
min, Q1, median, Q3, max,
Scatter plot - correct answer A graphical representation of Q
-> Q
Two way table - correct answer A graphical representation of
C -> C
Side-by side box - correct answer A graphical representation
of C -> Q
Interpolation - correct answer Making predictions *within*
the range of your data. This is usually accurate.
Extrapolation - correct answer Making predictions *outside*
of the range of your data. This is generally a bad idea.
Simpson's Paradox - correct answer When split up, each data
set can have a pattern which goes away when all the data is
combined.
, Prospective study - correct answer Is a study that's done over
time to find results / A study watching for outcomes during the
study period
Unbalanced response - correct answer Giving more options
that are negative than positive options (or vice versa) which
biases the responses towards the more common option
nCr = n! / r!(n - r)! - correct answer probability combination
formula
Which of the following numbers is taken out to the hundredths
place?
a 1.1
b1
c 1.04
d 1.047 - correct answer 1.04
Please evaluate the following expression: (Be sure to convert
your answer to a mixed number or reduce the fraction to its
lowest terms.)
6 3/8 + 4 1/2 = ?
a 10 3/8
b 10 5/8
c 10 7/8
d 11 1/8 - correct answer 10 7/8
Please evaluate the following expression with decimals:
11.589−3.49−6.2= ?
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