Categorical
false
II and III
true
33
1
false
true
population
false
parameter
sample
false
5.5
median
mode
4
Mean
false
75
statistic
parameter
true
mean and standard deviation
95%
5%
true
false
64%
false
60%
82%
620
613
-0.67
58%
96%
903
false
true
25
true
negative
1.0
0.6
I and III only
false
zero
false
false
0
0.30
true
extrapolation
false
II only
I and III only
An outlier:
extrapolation
explanatory variable
extrapolation
95
false
I only
I and II only
experiment
observational study
false
self-selected sample
I and III only
true
none of these
false
I and II only
II only
false
I and II
true
placebo effect
Hawthorne effect
false
all of the above
true
96
10
6
sample space
I and III only
1/16
3/8
36
.667
60%
Which of the following statements is correct?
I and II only
I and III
I and II
0
false
I and III
A, C