AP PSYCHOLOGY

RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

THE SCIENTIFIC METHOD AND DESCRIPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Descriptive Statistics
A
A way of organizing numbers and summarizing them so that they can be understood.
B
A table or graph that shows how often different numbers, or scores, appear in a particular set of scores.
C
The arithmetic average of a distribution of numbers; the most commonly used measure of central tendency.
D
The score that falls in the middle of an ordered distribution of scores; half of the scores will fall above this point, and half of the scores will fall below it.
Explanation: 

Detailed explanation-1: -What is Descriptive Statistics? Descriptive statistics involves summarizing and organizing the data so they can be easily understood. Descriptive statistics, unlike inferential statistics, seeks to describe the data, but does not attempt to make inferences from the sample to the whole population.

Detailed explanation-2: -Descriptive statistics summarizes or describes the characteristics of a data set. Descriptive statistics consists of three basic categories of measures: measures of central tendency, measures of variability (or spread), and frequency distribution.

Detailed explanation-3: -With more subjects included in the research, numerical data must be summarized by descriptive statistics. Three major sample characteristics have to be presented for each variable: distribution, central tendency (average), and dispersion (spread).

Detailed explanation-4: -Descriptive statistics summarize and organize characteristics of a data set.

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