Question

Determine whether the given value is a statistic or a parameter. A homeowner measured the voltage supplied to his home on a random sample of 34 dayson a random sample of 34 days​, and the average​ (mean) value is 136.4136.4 volts. Choose the correct answer below.

A. The given value is a statisticstatistic for the yearyear because the data collected represent a populationpopulation.
B. The given value is a parameterparameter for the yearyear because the data collected represent a samplesample.
C. The given value is a statisticstatistic for the yearyear because the data collected represent a samplesample.
D. The given value is a parameterparameter for the yearyear because the data collected represent a populationpopulation.

Answer 1

C. The given value is a statistic for the yearyear because the data collected represent a samplesample.

Step-by-step explanation:

A parameter is a numerical measurement of a population while a statistic is a numerical measurement of a sample. Statistics use assumptions to represent relations among variables and parameters should meet requirements and present more objective data. In this case, the voltage value found is the mean of a 34 days sample and, therefore, the given value is a statistic of the daily voltage for the year.