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COHP 350 Final Questions And Answers 2024 Study Solutions
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COHP 350 Final Questions And Answers 2024 Study Solutions
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COHP 350 Final Questions And Answers 2024 StudySolutions
Not all members of the population are equally likely to be selected ANS sampling bias
choosing a random sample by dividing the population into groups, and then selecting a set of groups. ANS
cluster sampling
a quick and convenient way to select a random sample by giving each member of the population a number and then
using a method of unknowingly choosing a number for use in the sample ANS simple random sampling
a misrepresentation of an association between an exposure and the outcome of a study due to using too small a
sample size. The larger the sample size, the more valid the research ANS sampling error
a method of choosing a random sample by selecting every "nth" person until the desired amount has been chosen
ANS systemic sampling
A study was done to determine the age, number of times per week, and the duration (amount of time) residents use a
local park in Grand Rapids. The first house in the neighborhood around the park was selected randomly and then
every eighth house in the neighborhood around the park was interviewed. The sampling method used in this scenario
is know as? ANS Systemic
A study was done to determine the age, number of times per week, and the duration (amount of time) residents use a
local park in Grand Rapids. The first house in the neighborhood around the park was selected randomly and then
every eighth house in the neighborhood around the park was interviewed. The population is? ANS all the
residents in the all of the house in the neighborhood that use the local park in Grand Rapids
A study was done to determine the age, number of times per week, and the duration (amount of time) residents use a
local park in Grand Rapids. The first house in the neighborhood around the park was selected randomly and then
every eighth house in the neighborhood around the park was interviewed. Duration is what type of data? ANS
quantitative continuous
A study was done to determine the age, number of times per week, and the duration (amount of time) residents use a
local park in Grand Rapids. The first house in the neighborhood around the park was selected randomly and then
every eighth house in the neighborhood around the park was interviewed. "Number of times per week" is what type
of data? ANS Quantitative discrete
, The relative magnitude of two quantities or a comparison of any two values. The numerator and denominator do not
have to be related. ANS Ratio
Comparison of a part to a whole. A type of ratio in which the numerator in included in the denominator. ANS
Proportion
An advertisement for Acme Investments displays the following two graphs below to compare their own product's
value with the Other Guy's investments product. These graphs contain potentially misleading visual effects. How
can this be corrected? Could they be combined? ANS adding values of scales to the graphs, adding period of
time each graph represents, state or display whether or not the scales on each graph are equivalent.
The likelihood of something happening; the extent that something is likely to occur ANS probability
experiments or events that have the same theoretical probability (or likelihood) of occurring ANS equally likely
events
outcomes that cannot be shared between sample space subsets at the same time ANS mutually exclusive events
a tool used by statisticians to organize data in order to determine frequency of different variables ANS
contingency table
a set that is concerned with all the possible outcomes of a probability experiment ANS sample space
Means, Medians, and modes are all used to describe ____________________ in a data set ANS central tendency
standard deviations are statistics that describe overall _______________ between individual data values and their
mean within a data set. ANS variance
What is n? ANS Data size
ANS median
ANS mode
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