- The following are the weekly amounts of welfare payments made by the federal government to a sample of six families: $139, $136, $130, $136, $147 and $136. What is the range?
Answer
$0
$14
$52
$17
2 . A disadvantage of using an arithmetic mean to summarize a set of data is
Answer
The arithmetic mean sometimes has two values.
It can be used for interval and ratio data.
It is always different from the median.
It can be biased by one or two extremely small or large values.
3 . What level of measurement is the price of an admission ticket to a movie theater?
Answer
Nominal
Ordinal
Interval
Ratio
4 . A survey includes a question regarding marital status that has the following responses: single, married, divorced, separated or widowed. What is the scale of measurement for this question?
Answer
Ratio
Interval
Ordinal
Nominal
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