姓名 Name

學號 ID (英文請大寫 ex. D0000711)

How many elements are in this data set?

• 4

• 6

• 8

• 10

How many variables are in this data set?

• 4

• 5

• 6

• 10

What type of measurement scale is used for the "Operating System"?

• Categorical data

• Quantitative data

• Nominal scale

• Ordinal scale

What type of measurement scale is used for the "Battery Life"?

• Nominal scale

• Ordinal scale

• Interval scale

• Ratio scale

How many elements are in this data set?

• 4

• 6

• 8

• 10

For the variables Price, Overall Score, Voice Quality, and Talk Time, which variable is "not" the quantitative data?

• Price

• Overall Score

• Voice Quality

• Talk Time

What type of measurement scale is used for the "Overall Score"?

• Nominal Scale

• Ordinal Scale

• Interval Scale

• Ratio Scale

What percentage of the phones have a voice quality of "very Good"?

• 87%

• 75%

• 63%

• 25%