Test Your Knowledge
Chapter 1
MULTIPLE CHOICE. Select the choice that best answers the problem.
1) Determine whether the given value is a statistic or a parameter.
In studying the loggerhead turtle on Anna Maria Island, FL, scientists observe the average
(mean) number of hatchlings in all 253 nests.
A) Statistic B) Parameter
2) Determine whether the given value is a statistic or a parameter.
A sample of Medtronic's rechargeable implanted spine stimulator batteries lasted an average
(mean) of nine years.
A) Statistic B) Parameter
3) A ______________ is the complete collection of all measurements or data, whereas, a
_____________ is a subcollection of members selected from the complete collection.
A) sample; population B) population; sample
C) sample; census D) population; parameter
4) Determine whether the given values are from a discrete or a continuous data set.
People are asked to state how many times in the last month they visited their family doctor.
A) Discrete B) Continuous
5) Determine whether the given values are from a discrete or a continuous data set.
The number of hatchlings from a sample of 45 bluebird nests is 135.
A) Discrete B) Continuous
6) Determine which of the four levels of measurement is most appropriate.
Doctors measure the weights (in pounds) of preterm babies.
A) Nominal B) Ordinal C) Interval D) Ratio
7) Determine which of the four levels of measurement is most appropriate.
Ornithologists classify hummingbirds in the United States using 17 different
species: Allen, Anna, Berylline, Black-chinned, Blue-throated, Broad-billed, Broad- tailed, Buff-
bellied, Calliope, Costa, Lucifer, Magnificent, Ruby-throated, Rufous, Violet-crowned, White-
eared, and Xantus.
A) Nominal B) Ordinal C) Interval D) Ratio
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