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MATH 221 Quiz Week 7 : DeVry University, New York - Worth 60 Points.
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MATH 221 Quiz Week 7 : DeVry University, New York - Worth 60 Points.
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The ages of 20 first graders would be Quantitative dataconsidered:
The amount of fat in grams in 58 cookies Ratio data
would be considered:
A researcher randomly selects and Stratified
interviews fifty male and fifty female
teachers. This sampling technique is called:
A personnel director at a large company Survey
would like to determine whether the
company cafeteria is widely used by
employees. She calls each employee and
asks them whether they usually bring their
own lunch, eat at the company cafeteria, or
go out for lunch. This study design would be
considered:
Which of the following would be the mean 20
of this data set: 5, 17, 22, 56, 4, 2, 33, 21
Which of the following would be the 18.4
standard deviation of this sample data set:
67, 54, 30, 77, 61, 41, 75, 83
Which of the following would be the 13
variance of this population data set: 3, 6, 8, 9,
4, 5, 7, 1, 9, 7, 15, 4, 3, 1
The difference between cluster sampling Each divides the population into groups. Stratified sampling uses some in each group
and stratified sampling would be: while cluster uses all in selected groups.
If data set A has a larger mean than data set The distribution of data set A would generally be to the right of the distribution of data
B, what would be different about their set B
distributions?
Which of the following data sets would you Ages of people taking college classes (in years)
expect to have the highest standard
deviation?
Vertical bar chart that shows frequency on Histogram
the y-axis
A sample where the population is divided Cluster sample
into groups and several groups are randomly
selected from all from those selected
groups are sampled
Collection of all counts that are of interest Population
A subset or part of a population Sample
A sample where the population is divided Stratified Sample
into groups and several are randomly
sampled form each group
Consists of attributes, labels, or Qualitative Data
nonnumerical entries
The most frequent number appearing in a Mode
dataset
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