Question
Jan Villaroel
Topic: Statistics Posted 10 months ago
VADS customer service counts all the number of incoming calls per day during the first 7 days in May 14 24 19 31 36 26 17

VADS customer service counts all the number of incoming calls per day during the first 7 days in May

14 24 19 31 36 26 17

a. Compute the mean.
b. Is this a statistic or a parameter? Why?


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Koala Tutor
Jan 23, 2024
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a. To compute the mean, add up all the numbers and divide by the total number of days:
Mean = (14 + 24 + 19 + 31 + 36 + 26 + 17) / 7 = 167 / 7 = 23.86 (rounded to two decimal places)

b. The mean is a statistic in this case. A statistic is a numerical measurement calculated from a sample, which in this case is the number of incoming calls per day during the first 7 days in May. It represents a summary of the data collected from a subset of the population (in this case, the VADS customer service calls during the specified timeframe).

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