Edco 735 final exam econometrics,
(Answered) 100%
If the data for gender is coded (male = 1, female = 2, other =3,), which of the following represents a
problematic score in a frequency table? (correct)
2
0
1
3
Which of the following is one of the core requirements for causal inference? (correct)
ratio level of
measurement qualitative
data
elimination of alternative
explanations quantitative data
No correlation could be described as all of the following except . (correct)
X increases Y varies randomly
X decreases Y varies
randomly X varies randomly Y
decreases X decreases Y
decreases
Which of the following is NOT necessary for causal inference?
the proposed cause covaries with the
outcome X preceeds Y
a theory explains the causal
,relationship external validity
z and t distributions are known because: (correct)
, statisticians developed\discovered them
they have always been
Karl Pearson developed
them they measure variance
If the nominal alpha is set to .05, what p value would not be considered statistically significant?
(correct)
.222
.033
.022
.034
To conduct an independent-samples t test in SPSS you must go to the second level menu: (correct)
Correlate
Compare Means
Scale
Descriptive Statistics
In reporting a statistical analysis, a researcher writes "p < .01". This necessarily implies .
the null hypothesis was not rejected
the research hypothesis was proven to be
true the statistic was in the region of non-
rejection
p < .05
When should researchers reject the null hypothesis? (correct)
if the values seem different to an expert
if the population mean and the sample mean are not the same
(Answered) 100%
If the data for gender is coded (male = 1, female = 2, other =3,), which of the following represents a
problematic score in a frequency table? (correct)
2
0
1
3
Which of the following is one of the core requirements for causal inference? (correct)
ratio level of
measurement qualitative
data
elimination of alternative
explanations quantitative data
No correlation could be described as all of the following except . (correct)
X increases Y varies randomly
X decreases Y varies
randomly X varies randomly Y
decreases X decreases Y
decreases
Which of the following is NOT necessary for causal inference?
the proposed cause covaries with the
outcome X preceeds Y
a theory explains the causal
,relationship external validity
z and t distributions are known because: (correct)
, statisticians developed\discovered them
they have always been
Karl Pearson developed
them they measure variance
If the nominal alpha is set to .05, what p value would not be considered statistically significant?
(correct)
.222
.033
.022
.034
To conduct an independent-samples t test in SPSS you must go to the second level menu: (correct)
Correlate
Compare Means
Scale
Descriptive Statistics
In reporting a statistical analysis, a researcher writes "p < .01". This necessarily implies .
the null hypothesis was not rejected
the research hypothesis was proven to be
true the statistic was in the region of non-
rejection
p < .05
When should researchers reject the null hypothesis? (correct)
if the values seem different to an expert
if the population mean and the sample mean are not the same
