ECN 221 ASU EXAM -1 Latest Updates, EXAM - 2026 (Questions + Answers) Study Guide, Practice Questions, Solutions, Answers,

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Institution ECN 221 ASU

Course ECN 221 ASU

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7/16/26, 3:09 PM ECN 221 ASU EXAM -1 Latest Updates, EXAM - 2026 (Questions + Answers) Study Guide, Practice Questions, Solutions, Answer…

ECN 221 ASU EXAM -1 Latest Updates, EXAM -
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Terms in this set (47)

nominal data names indicating characteristic
ex: NYSE, NASDAQ

ordinal data can be ordered/ranked
ex: gold, silver, bronze

interval data quantitative AND can be ranked BUT is a fixed unit
of measurement
ex: SAT scores, credit score

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, 7/16/26, 3:09 PM ECN 221 ASU EXAM -1 Latest Updates, EXAM - 2026 (Questions + Answers) Study Guide, Practice Questions, Solutions, Answer…

ratio data quantitative AND can be ranked BUT is a fixed unit
of measurement AND the ratio is meaningful

categorical data (qualitative) identify characteristics of element
ex: gender, marital status
ALSO: zip code, phone number

quantitative data numeric: how much/how many

cross sectional data data covered at some point in time ACROSS
MULTIPLE ELEMENTS/OBSERVATIONS
ex: price of coffee in different cities

time series data data collected over MULTIPLE TIME PERIODS
ex: price of coffee over 1 year

A data set consists of the number of TRUE
new stores opened each year,
internationally, for the years 1995
through 2015. That is, there are 21
observations, one for each of the
years and the variable reported is
the number of new stores.

T/F: The data in this data set are time
series data.

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Uploaded on: July 16, 2026
Number of pages: 8
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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