Statistics involves two different processes, describing sets of data and drawing conclusions about the sets of data on the basis of sampling.
A) True B) False
Q. 2When we take data obtained from a sample and make generalizations or predictions about the entire population, we are utilizing inferential statistics.
A) True B) False
Q. 3Which of the following is not an element of descriptive statistical problems?
A) information revealed in a data set is summarized
B) data are displayed visually in graphs
C) predictions are made about a larger set of data
D) patterns in a data set are identified
Q. 4In a survey of 1000 high school students, 14 of those surveyed read at least one best-seller each month. Give an example of a descriptive statement and an inferential statement that could be made based on this information.
What will be an ideal response?
Q. 5From past figures, it is predicted that 44 of the registered voters will vote in the March primary. Does this statement describe descriptive or inferential statistics?
A) Inferential statistics B) Descriptive statistics
Q. 6The average age of the students in a statistics class is 22 years. Does this statement describe descriptive or inferential statistics?
A) Inferential statistics B) Descriptive statistics
Q. 7A survey of high school teenagers reported that 79 of those sampled are interested in pursuing a college education. Does this statement describe descriptive or inferential statistics?
A) Inferential statistics B) Descriptive statistics
Q. 8A recent report stated Based on a sample of 180 truck drivers, there is evidence to indicate that, on average, independent truck drivers earn more than company-hired truck drivers.
Does this statement describe descriptive or inferential statistics?
A) Descriptive statistics B) Inferential statistics
Q. 9What is statistics?
What will be an ideal response?
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