12.1 Data collection, organization and representation process, the interpretation of data

Report 1 / 5

Representation of data using points or circles above horizontal lines.

The statement shows the \(\underline{\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;}\).

(A) Bar

(B) Pie

(D) Dot plot

Difficulty Level: Medium

Report 2 / 5

Data representations that isolate data values into stems and leaves.

The statement shows the \(\underline{\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;}\).

(A) Bar

(B) Stem-and-leaf-plot

(D) Dot plot

Difficulty Level: Easy

Report 3 / 5

Scores obtained by a group of participants in a math competition.

\(\begin {array}{cc}&0&&2&&3&&1&&4&&1&&3&&2&&3&&0\\&1&&4&&3&&2&&4&&2&&4&&4&&3&&3 \end{array}\)

How many the total frequency of the participant's score?

(A) \(10\)

(B) \(30\)

(D) \(20\)

Difficulty Level: Medium

Report 4 / 5

The data below shows the size of the T-shirt recorded by Adam for sale on Entrepreneur Day.

\(\begin {array}{cc}M&&M&&L&&L&&S&&XL\\M&&S&&XL&&S&&S&&S\\L&&L&&L&&L&&M&&M\\M&&M&&L&&L&&XL&&S\\S&&S&&M&&M&&L&&L\end{array}\)

Calculate the frequency of the size of the T-shirt.

(A) \(30\)

(B) \(31\)

(D) \(33\)

Difficulty Level: Medium

Report 5 / 5

The data below shows the grades obtained by a group of students in History examination.

\(\begin {array}{cc}&A&&B&&C&&B&&C&&A&&D&&C&&D&&C\\&C&&C&&D&&E&&D&&D&&B&&D&&C&&C \end{array}\)

Calculate the frequency of grades obtained.

(A) \(23\)

(B) \(21\)

(D) \(25\)

Difficulty Level: Medium