Question

The frequency polygon to the right shows a distribution of IQ
scores. Determine if the following statement is true or false
according to the graph.
The graph is based on a sample of approximately 50 people.
of People (frequency)
Choose the correct answer below.
OA. The statement is false because the sum of the frequencies is greater than 50.
OB. The statement is false because there are less than 50 possible IQ scores.
OC. The statement is true because there are 50 possible IQ scores.
OD. The statement is true because the sum of the frequencies is 50,

Answer 1

The correct option is C. The statement is true because there are 50 possible IQ scores.

Explain the term frequency of the graph?

• A graph or data set that displays the number of occurrences of each potential result of a repeated event seen numerous times is called a frequency distribution in statistics.
• Election results and percentile lists of test scores are two straightforward examples.
• A histogram or pie chart can be used to represent a frequency distribution.

For the given question-

The frequency for the total students are given on the graph.

The highest frequency is for 30 people.

The difference in the IQ score are ; 130 - 70 = 50

Thus, the statement that graph is based on a sample of approximately 50 people the is true because there are 50 possible IQ scores.

To know more about the frequency of the graph, here

https://brainly.com/question/15422753

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