Pie Chart Quiz

In a circle, the total angle measure is 360 degrees. Therefore, if we consider the population as the entire circle, representing 100% of it, it can be expressed as a 360-degree rotation about the center of the circle. Hence, the statement is true.

The given answer options all represent the same angle measurement of 180 degrees. In geometry, a straight angle measures 180 degrees, which means it forms a straight line. In the context of bikes, this could refer to the angle between the handlebars and the frame when the bike is moving in a straight line.

If a subset had a population of 34 out of a total of 136, the pie chart segment representing this subset would have an angle of 90°. This is because the angle of a pie chart segment is determined by the proportion of the subset's population to the total population. In this case, the subset represents approximately 25% of the total population, and since a full circle is 360°, 25% of 360° is equal to 90°. Therefore, the pie chart segment for this subset would have an angle of 90°.

The answer is 66 because the question states that 300 people were surveyed about their transport. The question does not provide any additional information or context, so it can be assumed that the answer represents the number of people who reported using a car as their mode of transport.

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An angle of 120° is one-third of a full circle, which is 360°. To find the percentage, we divide 120° by 360° and multiply by 100. This gives us 33⅓%.

The question asks how many people walked out of the 500 surveyed. The answer options provided are "55," "fifty five," and "fiftyfive." All three options represent the same number, which is 55. Therefore, the correct answer is 55, as it indicates the number of people who walked out of the surveyed group of 500.

A pie chart is a visual representation that is used to compare the proportions within a population. It is particularly useful when trying to understand the distribution or composition of different categories within a whole. In this case, the pie chart would be used to compare the proportions of different categories within a population, such as the proportions of mince, steak, steak and cheese, and chicken pies. It is not used to compare percentages of continuous data, as that would typically be done using other types of charts or graphs.

The given question asks for the size of the angle in the walk segment to the nearest 5°. The answer options provided all represent the same angle measurement of 40 degrees.

The correct answer is "as a percentage of 360° the same percentage as the data is of the population." This means that the size of the central angle for each data segment is determined by the percentage that the data represents in relation to the entire population. For example, if the data represents 20% of the population, then the central angle for that data segment would be 20% of 360°, which is 72°. This ensures that the visual representation accurately reflects the proportion of the data within the population.

The given answer options all represent the size of the angle in the bike segment as 120 degrees. This means that the angle in the bike segment is exactly 120 degrees when rounded to the nearest 5 degrees.