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21 January, 00:07

Determine whether the underlined value is a parameter or a statistic. Mark retired from competitive athletics last year. In his career as a sprinter he had competed in the 100-meters event a total of 328 times. His average time for these 328 races was Modifying 15 seconds with underline.

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  1. 21 January, 00:42
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    Answer: Parameter

    Step-by-step explanation:

    A parameter is defined as:

    A value that is evaluated by considering the entire population. For example : Population mean, population standard deviation etc.

    A statistic is defined as:

    A value that is evaluated by considering a sample of the population. For example : sample mean, sample standard deviation etc.

    Given : Mark had competed in the 100-meters event a total of 328 times.

    Here, Population of interest = Number of times Mark competed in the 100-meters event = 328

    His average time for these 328 races was 15 seconds.

    Since this average is calculated from the entire population, therefore, 15 is representing a parameter.

    Hence, the correct answer is : "Parameter"
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