Question

a) since data were collected for a quantitative variable, the correct graph to make is a bar chart. a) complete the frequency/relative frequency table.

defect type	frequency	relative frequency
scratched	6
wrongshapesize	12
spotsbubbles	0
other	2

c) which of the following is the correct bar chart for the given data?

Explanation:

Step1: Calculate total frequency

$6 + 12+0 + 2=20$

Step2: Calculate relative frequency for Scratched

Relative - frequency$=\frac{6}{20}=0.3$

Step3: Calculate relative frequency for WrongShapeSize

Relative - frequency$=\frac{12}{20}=0.6$

Step4: Calculate relative frequency for SpotsBubbles

Relative - frequency$=\frac{0}{20}=0$

Step5: Calculate relative frequency for Other

Relative - frequency$=\frac{2}{20}=0.1$

Answer:

Defect Type	Frequency	Relative Frequency
WrongShapeSize	12	0.6
SpotsBubbles	0	0
Other	2	0.1