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Determination of data from the given statement

a. Consider the following data: the height in centimeters of children in a fourth-grade class. Which of the following best describes these data?

   a. Attribute data

   b. Qualitative data

   c. Quantitative data

   d. Sample Data

b. A company has developed a new battery, but the average lifetime is unknown. In order to estimate the average, a sample of 150 batteries is tested and the average lifetime of this sample is found to be 250 hours. The 250 hours is the value of a:

   a. Parameter

   b. Statistic

   c. Population

   d. Variable

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