A manufacturer of cable wire periodically selects samples to monitor the process.A sample of ten wires is selected and the diameters (in cm.) are 0.493, 0.534, 0.527, 0.511, 0.565, 0.559, 0.519, 0.562, 0.551, and 0.530.The mean diameter is ________________________ .
A)0.455 cm
B)0.535 cm
C)0.511 cm
D)0.565 cm
E)0.499 cm

Question

Quizplus · Accepted Answer

The mean diameter is calculated by adding all the diameters together and then dividing by the number of wires. The sum of the diameters is 5.351 cm, and when divided by 10, the mean diameter is 0.535 cm.

A Manufacturer of Cable Wire Periodically Selects Samples to Monitor