TeXes Science Practice Test

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How many numbers are used to calculate the mean of the sequence provided?

The correct answer is: 6

To calculate the mean of a sequence, you need to determine how many values are present in that sequence. The mean is calculated by adding all the numbers together and then dividing by the total count of those numbers. In this case, if the answer provided suggests that there are six numbers in the sequence, it indicates that after examining the sequence, either through observation or counting, the total adds up to six. When verifying the count, one must ensure that all numbers are accounted for, including any that might be negative or zero, as each contributes equally to the calculation of the mean. If the sequence actually contains six distinct values, then the assertion is validated, confirming that six is the correct count of numbers used. Understanding how to identify and count values in a data set is crucial for effectively calculating the mean, ensuring accuracy in statistical analysis.