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NURS 211 (Statistics) (Full review) Questions with complete solutions CA$22.24
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NURS 211 (Statistics) (Full review) Questions with complete solutions

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NURS 211 (Statistics) (Full review) Questions with complete solutions

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  • May 15, 2024
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NURS 211 (Statistics) (Full review) Questions with
complete solutions
nominal, ordinal, interval, ratio Correct Answer-What are the 4 Levels
of Measurement?


Hint: N.O.I.R


Categorical variable Correct Answer-A variable that has a finite number
of classification groups/ categories, which are usually qualitative in
nature


Continuous variable Correct Answer-A variable that has a infinite
number of potential values, with value being measured falling
somewhere on a continuum containing in-between values.


Empirical method Correct Answer-What method is a way of gathering
information through systematic observation and experimentation?


Parameter Correct Answer-___________ is a measurable characteristic
of a population


Statistic Correct Answer-_____________ is an estimate derived from a
sample
- numerical measurement describing some characteristic of a sample

,Estimate Correct Answer-_____________ is a preliminary
approximation


Qualitative measure Correct Answer-What measure describes or
characterizes an attribute?


- data in words


ex. The day is "warm" or "cold"


Quantitative measure Correct Answer-What measure reflects a numeric
amount?


- data in numbers


ex. writing down the temperature for the day


Nominal Correct Answer-Marital status: you're either married (together)/
divorce(not together) Is an example of what level of measurement?


Hint: sounds like "Name/Nom"
- no order, either has it or doesn't


Ordinal Correct Answer-Pain scale, stress scale (ex: low, medium, high
stress level) is an example of what level of measurement?

,Hint: sounds like "Ordered"
- no equal interval between the values
- Comparison between smaller value to bigger value


Interval Correct Answer-Temperature and Student tests are examples
what level of measurement?




- Ordered,
- Equal ___________ between values
- No true "zero"


Ratio Correct Answer-Tests such as: Blood pressure, (if patient's BP is 0
then they're in trouble, heart isn't beating, dead = true zero),
- blood sugar, renal function, glascow coma scale, BMI etc. Are
examples of what level of measurement?


-Ordered
- Equal interval between values
- Has a true zero
- Very precise, accuracy (best for healthcare)
- bodily measures ex.) there can be 0 weight gain

, Dependent variable Correct Answer-The _________________ is the
outcome factor.
- The variable that may change in response to manipulations of the
independent variable.
- Depends on independent variable


Independent variable Correct Answer-The _______________ is the
variable that experimenter can change
- influences dependent variable.


Mean Correct Answer-____________(M)
- average,


[Calculation: add all numbers then, divide by number of values]


Ex: Videos, Reading
- Good for interval and ratio data
- Best measure for symmetrical distribution of data


Median Correct Answer-___________- middle (Medium)


[Calculation: Arrange in order,
Number is odd = middle value

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