Examlex
Match the word in Column 1 to its definition in Column 2. Each answer can only be used once.
A)The cut or low-lying portions between the lands in a rifled bore
B)An interior constriction placed at or near the muzzle end of a shotgun's barrel to control shot dispersion
C)A discipline mainly concerned with determining whether a bullet or cartridge was fired by a particular weapon
D)A chemical test used to develop patterns of gunpowder residues around bullet holes
E)The rear part of a firearm barrel
F)The mechanism in a firearm that throws the cartridge or fired case from the firearm
G)The mechanism in a firearm by which a cartridge or fired case is withdrawn from the chamber
H)The spiral grooves formed in the bore of a firearm barrel that impart spin to the projectile when it is fired
I)The diameter of the bore of a rifled firearm, usually expressed in hundredths of an inch or millimeters
J)Size designation of a shotgun, originally the number of lead balls with the same diameter as the barrel that would make a pound. The only exception is the .410 shotgun, in which bore size is 0.41 inch.
K)The raised portion between the grooves in a rifled bore
L)The interior of a firearm barrel
M)The process of determining the distance between the firearm and a target, usually based on the distribution of powder patterns or the spread of a shot pattern
-Lands
Starting Salaries
The initial compensation offered to employees when they commence their positions, often influenced by factors such as industry, location, and experience.
T-test
A type of inferential statistic used to determine if there is a significant difference between the means of two variables, often used when the data sets would follow a normal distribution and have a known standard deviation.
Dependent Means
Pertains to a statistical analysis involving paired or matched samples, comparing the means between two related groups.
Directional Hypothesis
A hypothesis that predicts not only a relationship but also the direction of the relationship between two variables or groups.
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