At WwwCensus

question 2

Multiple Choice

At www.census.gov you can create a "population pyramid" for any country.These pyramids are back-to-back histograms.This pyramid shows Mexico's 2000 female population and the
Census bureau's projection for 2050.Check all that apply.

• A)The expected mean age in 2050 is higher than the mean age in 2000.
• B)The expected median age in 2050 is higher than the median age in 2000.
• C)The expected mean age in 2050 is lower than the mean age in 2000.
• D)The expected median age in 2050 is lower than the median age in 2000.
• E)The IQR of the distribution of projected ages in 2050 is larger than the IQR of the distribution of ages in 2000.

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Definitions:

Syntax

Syntax is the set of rules, principles, and processes that govern the structure of sentences in a given language, specifically the arrangement of words and phrases to create meaningful sentences.

Semantics

The branch of linguistics and logic concerned with meaning, including the ways meaning is structured in language and how changes in words and sentence structure affect meanings.

Simulation

The process of creating a model or representation of a complex system or phenomenon, typically using computers, to study its behavior in a controlled environment.

Phonics

A method of teaching reading and spelling that emphasizes the relationship between letters and their phonemic sounds.