Is this sample representative of the population at large?
The average sentence (in months) for homicide is 227 (Gaines & Miller, 2003).
A sample of inmates from a certain prison, all of whom having been convicted of homicide, was selected and their sentences calculated. The sentences follow: 200, 225, 197. 256, 300, 158, 220, 226, 230, 215, 237, 223, and 243.
What will be an ideal response?
Question 2
Whenever the value of the estimated standard error of difference is
increased, then
a. the positive correlation was significant
b. the zero correlation was not significant
c. the repeated-measures design was used
d. none of these