(1.1) Inferential Statistics entails: A. Sampling a small part of a large popula

Question

(1.1) Inferential Statistics entails:

A. Sampling a small part of a large population

B. Describing a set of data

C. Collecting and then presenting data

D. Using sample results to predict something about the population at large

(1.2) What is a negative quality of the range?

A. It shows dispersion

B. It is affected by outliers (extremes) if exist

C. It ignores some data (about 50% of total data)

D. It provides meaningless information

E. It doesn’t exists for some quantitative data

(1.3)A measure of central tendency that sometimes may not exist depending on the data is

A. Mode.

B. Mean.

C. Median.

D. Variance.

Explanation / Answer

1.1) option D D. Using sample results to predict something about the population at large

1.2) B. It is affected by outliers (extremes) if exist

1.3) A. Mode. ; if all vaues appears exactly once or same number of times than mode does not exist as every value is a mode

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