STT 231 Week 1 (Lecture 1, 2, 3)
An administrator in a college district with numerous 5th grade lecture rooms of essentially the
identical length accumulated statistics at the various training. Among the variables he studied
had been the variety of single figure households, common own family earnings, structure of
college (1-five, five-eight, 1-8), range eligible without spending a dime/reduced lunch, majority
bring/purchase lunch (sure/no), common distance to highschool, and number of parental visits
to school.
Select the statement that classifies the variables so as. Use q to represent a quantitative
variable and c to represent a specific variable.
(A) c,q,c,q,c,q,q (B) q,c,q,c,q,c,c (C) q,q,c,q,c,q,c, (D) c,c,q,c,q,c,c. (E) q,q,c,q,c,q,q. - ANS-E
express/qualitative - ANS-groups and classes
column - ANS-vertical, represents variables
non-stop variable - ANS-quantitative variable that takes its possible values in an c program
languageperiod or a range (continuum) or the entire real range line (IR) measured
facts - ANS-systematically recored information
descriptive statistics - ANS-describing a information set in a simple, understandable fashion
discrete variable - ANS-quantitative variable with values from a countable set of numbers or
from a finite set of numbers, separate values
double blind look at - ANS-the remedy institution and control group is determined by way of an
outdoor third party and neither the subjects or the individuals walking the have a look at are
aware about which group is which
In June 2000, a owner of a house in Tuscola, Illinois, desired to determine if established
fertilizers and weed killers are as powerful because the greater pricey branded products. After
the spring rains and early summer warm temperature, she counted the wide variety of weeds
and measured density of grass blades.
Identify who, wherein, whilst, and why for the state of affairs defined:
A. Homeowner; Tuscola, Illinois; June 2000; Compare merchandise.
B. Lawn; Tuscola, Illinois; June 2001; Compare products.
C. Lawn; Arcola, Illinois; June 2000; examine products.
D. Homeowner; Arcola, Illinois; June 2000; Compare merchandise.
E. Lawn; Tuscola, Illinois; June 2000; Compare products.
16 - ANS-E
An administrator in a college district with numerous 5th grade lecture rooms of essentially the
identical length accumulated statistics at the various training. Among the variables he studied
had been the variety of single figure households, common own family earnings, structure of
college (1-five, five-eight, 1-8), range eligible without spending a dime/reduced lunch, majority
bring/purchase lunch (sure/no), common distance to highschool, and number of parental visits
to school.
Select the statement that classifies the variables so as. Use q to represent a quantitative
variable and c to represent a specific variable.
(A) c,q,c,q,c,q,q (B) q,c,q,c,q,c,c (C) q,q,c,q,c,q,c, (D) c,c,q,c,q,c,c. (E) q,q,c,q,c,q,q. - ANS-E
express/qualitative - ANS-groups and classes
column - ANS-vertical, represents variables
non-stop variable - ANS-quantitative variable that takes its possible values in an c program
languageperiod or a range (continuum) or the entire real range line (IR) measured
facts - ANS-systematically recored information
descriptive statistics - ANS-describing a information set in a simple, understandable fashion
discrete variable - ANS-quantitative variable with values from a countable set of numbers or
from a finite set of numbers, separate values
double blind look at - ANS-the remedy institution and control group is determined by way of an
outdoor third party and neither the subjects or the individuals walking the have a look at are
aware about which group is which
In June 2000, a owner of a house in Tuscola, Illinois, desired to determine if established
fertilizers and weed killers are as powerful because the greater pricey branded products. After
the spring rains and early summer warm temperature, she counted the wide variety of weeds
and measured density of grass blades.
Identify who, wherein, whilst, and why for the state of affairs defined:
A. Homeowner; Tuscola, Illinois; June 2000; Compare merchandise.
B. Lawn; Tuscola, Illinois; June 2001; Compare products.
C. Lawn; Arcola, Illinois; June 2000; examine products.
D. Homeowner; Arcola, Illinois; June 2000; Compare merchandise.
E. Lawn; Tuscola, Illinois; June 2000; Compare products.
16 - ANS-E
