Quiz Wk4

RES342
Week 3 Quiz

1. A frequency distribution push aside be shown as
a statistic
a histogram
a scatter plot of ground
a floor and leaf plot

2. Simple statistics are
for simpletons
presented in stem and leaf plots
things like correlations
things like stripe deviations

3. What would you do with a median?
Use it do show spread.
Use it for norm exclusivelyy distributed data.
Cross it against oncoming traffic
Indicate the middle of close to data.

4. The following are measures of spread:
standard deviation
fore mean square errors
percentile ranges
polyunsaturated margarine

5. Describe what the standard error of the estimate is.

6. Confidence intervals...
are a brisk form of sprint training.
are calculated routinely by most stats packages.
define the likely range of a existence value.
are inferior to p values for indicating magnitude of results.
7. An outcome measured on a five-point scale (not at all to always)...
is an example of an ordinal variable.
has a behavior problem when it comes to residuals.




should be examine by logistic regression.
can be analyzed by ANOVA.
8. Dimension reduction
describes loss of precision.
describes factor analysis.
is an example of ANOVA.
is a weight-loss program.

9. Concerning reliability:
It impacts most on descriptive studies.
It can be expressed as an ICC.
It can be expressed as a CV.
It is quantified by 2-way ANOVA.

10. Concerning reasonedity:
It impacts most on descriptive studies.
It is the correlation between true and observed values.
A valid measure must be reliable.
A reliable measure must be valid.If you want to get a to the full essay, order it on our website: Orderessay



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