Determine whether the given value is a statistic or a parameter. a homeowner measured the voltage supplied to his home on one day a week for a given year on one day a week for a given year, and the average (mean) value is 144.3 144.3 volts.
choose the correct answer below.
a. the given value is a parameter parameter for the year year because the data collected represent a population population.
b. the given value is a parameter parameter for the year year because the data collected represent a sample sample.
c. the given value is a statistic statistic for the year year because the data collected represent a sample sample.
d. the given value is a statistic statistic for the year year because the data collected represent a population population.

An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population

Given the numbers c = –3 and d = 4, which statement is true? a. |–c| = 3 and |–d| = –4 b. |–c| = 3 and –|d| = –4 c. –|c| = –4 and –|d| = 3 d. |–c| = 3 and –|d| = 4

The area of each triangle is 7 square units. the surface area of the triangular prism is