Question
1-A runs plot is a graphical technique for displaying data collected over different time periods. Select one: a. False b. True 2 - ________________ is
1-A runs plot is a graphical technique for displaying data collected over different time periods.
Select one:
a. False
b. True
2 - ________________ is the science of using a sample to make generalizations about the important aspects of a population.
Select one:
a. Statistical Process Control
b. Random Sample
c. Statistical Inference
d. Descriptive Statistics
3- The two types of quantitative variables are:
Select one:
a. interval and ordinal.
b. ordinal and ratio.
c. nominative and ordinal.
4- Time series data are collected at the same or approximately the same point in time.
Select one:
a. True
b. False
d. nominative and interval.
5- ____________ are collected at the same or approximately the same point in time.
Select one:
a. Time series data
b. Cross-sectional data
c. Categorical data
d. Quantitative data
e. interval and ratio.
6- Which of the following is a quantitative variable?
Select one:
a. A person's gender
b. Whether a person is a college graduate
c. Whether a person has a charge account
d. The mileage of a car
e. The make of a TV
7- A subset of the elements of a population is a:
Select one:
a. sample.
b. variable.
c. census.
d. frame.
8- Any characteristic of a population unit is called a(n):
Select one:
a. variable.
b. observation.
c. measurement.
d. sample.
9- A person's telephone area code is an example of a(n) _______________ variable.
Select one:
a. nominative
b. ratio
c. ordinal
d. interval
10- Measurements from a population are called:
Select one:
a. variables.
b. observations.
c. statistics.
d. inferences.
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