Practice Midterm
Name: ____________________
STAT 1100, 2084
1PM
2:30PM
4PM
Laurel Chiappetta
1.
(50 points) For each of the following examples, identify (if there are two variables, show data type for both):
Data type(s) as:
N
ominal,
O
rdinal, or
I
nterval
The most appropriate numerical display of the data (Graph) as:
1
Mean and SD,
2
Median and Quartiles,
3
Frequency
distribution,
4
Correlation,
5
Geometric Mean and spread,
6
Contingency table
The most appropriate graphical display of the data (numerical display, include both center and spread if applicable) as:
A
Bar Chart,
B
Pie Chart,
C
Histogram,
D
Time Series Plot,
E
Stem and Leaf Plot,
F
Box Plot,
G
Scatterplot
Data description
Data
type(s)
Numerical
Display
Graph
A company decides to investigate the amount of sick leave taken by its
employees.
A sample of employees is taken and number of days of sick
leave is recorded.
From a first look at the data by the human resource
manager, it appears that most employees are not taking any sick days,
but a few employees have taken almost a week of sick time.
N
O
I
1
2
3
4
5
6
A
B
C
D
E
F
G
The Metro Train Company was interested in knowing the educational
background of its customers.
In a survey of 50 commuters at the train
station, the commuters were asked to disclose their educational
attainment.
They would like to summarize the responses relative to each
other.
N
O
I
1
2
3
4
5
6
A
B
C
D
E
F
G
A hospital administrator wants to evaluate the survival status for
different types of surgery that is performed in her hospital.
She gathers
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 Spring '08
 Chiappetta
 Probability, a. b. c., POWER OUTAGES, numerical display

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