WGU C207 STUDY GUIDE MODULE 1 & 2
QUESTIONS & ANSWERS TO HELP YOU
PASS!!
1 of 55
Definition
Strong Negative
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For the scatter diagram below,
Data management which of the following
describes the correlation?
Big data Random error
, Don't know?
2 of 55
Term
What type of data are sales total for the day in dollars?
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Nominal Ratio
Median Interval
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3 of 55
Term
The median household income for New York City from 2009-2013 is
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Inferential analysis Regression analysis
Descriptive analysis Inference analysis
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4 of 55
Term
We examine a population with normal distribution having mean
1,000 & standard deviation 50. What percentage of the population
lies between 850 & 1150?
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68% 95%
90% 99.7%
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5 of 55
Term
How are Z-scores from a population with normal distribution
distributed?
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Uniform distribution with mean 1 Normal distribution with mean
standard deviation 0 0 standard deviation1
, Normal distribution with mean 1 Standard distribution with mean 0
standard deviation 0 standard deviation 0.5
Don't know?
6 of 55
Term
which of the following statistics are unaffected by a single large
outlier?(more than one)
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Responses, Treatments,
Multiplication & intersection
experimental units
Media, Interquartile range,
mode IQR, Range, Variance
Don't know?
7 of 55
Term
This type of error will cancel itself out over a large # of
measurements
Give this one a try later!
QUESTIONS & ANSWERS TO HELP YOU
PASS!!
1 of 55
Definition
Strong Negative
Give this one a try later!
For the scatter diagram below,
Data management which of the following
describes the correlation?
Big data Random error
, Don't know?
2 of 55
Term
What type of data are sales total for the day in dollars?
Give this one a try later!
Nominal Ratio
Median Interval
Don't know?
3 of 55
Term
The median household income for New York City from 2009-2013 is
Give this one a try later!
Inferential analysis Regression analysis
Descriptive analysis Inference analysis
, Don't know?
4 of 55
Term
We examine a population with normal distribution having mean
1,000 & standard deviation 50. What percentage of the population
lies between 850 & 1150?
Give this one a try later!
68% 95%
90% 99.7%
Don't know?
5 of 55
Term
How are Z-scores from a population with normal distribution
distributed?
Give this one a try later!
Uniform distribution with mean 1 Normal distribution with mean
standard deviation 0 0 standard deviation1
, Normal distribution with mean 1 Standard distribution with mean 0
standard deviation 0 standard deviation 0.5
Don't know?
6 of 55
Term
which of the following statistics are unaffected by a single large
outlier?(more than one)
Give this one a try later!
Responses, Treatments,
Multiplication & intersection
experimental units
Media, Interquartile range,
mode IQR, Range, Variance
Don't know?
7 of 55
Term
This type of error will cancel itself out over a large # of
measurements
Give this one a try later!
