I the Statistical Technique Used to Test the Equality of Three

question 92

Multiple Choice

i. The statistical technique used to test the equality of three or more population means is called
Analysis of variance (ANOVA) .
ii. To employ ANOVA, the populations need not have equal standard deviations.
iii. To employ ANOVA, the populations being studied must be approximately normally distributed.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

All Classes

Refers to all the social groups or strata within a society, encompassing a broad spectrum of socioeconomic positions from the wealthiest to the poorest.

Countercultures

Social groups that reject mainstream cultural norms and values, often advocating for alternative lifestyles and social reforms.

Social Structure

The organized pattern of social relationships and institutions that together constitute society, shaping individuals' roles and interactions.

Serious Threat

A significant potential harm or danger that can have adverse effects on individuals, groups, or communities.