A company that manufactures golf balls produces a new type of ball that is supposed to travel significantly
farther than the company's previous golf ball. To
determine this, 40 new style golf balls and 40 original
style golf balls are randomly selected from the
company's production line on a specific day. The balls
are then placed in a bag and shaken A golf pro then
selects a ball and hits it using a driver. The distance the
ball travels is then measured. The bag is shaken again,
and the golf pro selects another ball and hits it with the
same driver. He continues this procedure until all 80 of
the golf balls are hit
Which of the following describes the benefit of using
control in this experiment?
O Controlling the type of golf club used and having the
same golf pro hit the ball eliminates the need to have
a control group
Controlling the type of golf club used and having the
same golf pro hit the ball that may influence the
response variable eliminates variability in the
response variable
Controlling the type of golf club used and having the
same golf pro hit the ball that may influence the
response variable reduces variability in the response
variable
O Controlling the type of golf club used and having the
same golf pro hit the ball means the differences
observed in the response variable can be attributed
to those variables that were controlled,