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Data Interpretation Practice Test 4

Directions (311-313): The table below shows the number of people who responded to a survey about their favourite style of music. Use this information to answer the following questions to the nearest whole percentage.

\begin{array}{c c c c} \text{Age} & \text{15-20} & \text{21-30} & \text{31+} \\ \text{Classical} & 6 & 4 & 17 \\ \text{Pop} & 7 & 5 & 5 \\ \text{Rock} & 6 12 & 14 & \\ \text{Jazz} & 1 & 4 & 11 \\ \text{Blues} & 2 & 3 & 15 \\ \text{Hip-Hop} & 9 & 3 & 4 \\ \text{Ambient} & 2 & 2 & 2 \\ & 33 & 33 & 33 \end{array}

Question : 41 of 89

Marks: +1, -0

What percentage of respondents under 31 indicated that Blues is their favourite style of music?

7.1%
7.6%
8.3%
14.1%

Validate

Solution:

Total number of people under 31 = 66 people

Total number who like Blues under 31 = 5 People

Percentage =

\frac{5}{66} \times 100

= 7.57 \approx 7.6\%

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