Oz Lawn Care Inc. manufactures and assembles lawnmowers that are shipped to

dealers throughout the United States and Canada.

Two different procedures have been proposed for mounting the engine on the frame of

the lawnmower.

PB $($Minutes$)$ UPB $($Minutes$)$

$34$

$57$

$98$

$63$

$25$

Is there a difference in the methods$$ mean time to mount the engines on the frames of

the lawnmowers?

The answer must be in handwriting. Please write your answer using a ball$-$point pen

on plain paper. Submit your homework by uploading it to the canvas.

Good Luck!