The Size of the Sample Required to Estimate a Population

question 17

Multiple Choice

The size of the sample required to estimate a population mean is ____ proportional to the ____ of the characteristic in the population.

• A)directly,variability
• B)inversely,variability
• C)inversely,size
• D)directly,size
• E)uniformly,size

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Frequency Polygon

A graphical representation of the distribution of numerical data. It is usually a line that connects points representing the frequencies of various categories or intervals of data.

Class Intervals

Ranges of values into which data points are grouped for frequency distribution analysis.

Histogram

A type of bar chart used in statistics to represent the distribution of data by showing the number of data points that fall within a range of values.

Normally Distributed Curves

Graphical representations of a normal distribution, showing how data points are symmetrically distributed around the mean.