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The performance of personal and business investments is measured as a percentage, return on investment. What type of variable is return on investment?
A. Qualitative
B. Continuous
C. Attribute
D. Discrete **Weegy:** D. Discrete
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Asked 1/28/2013 6:42:42 PM

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What level of measurement is the number of auto accidents reported in a given month?
A. Nominal
B. Ordinal
C. Interval
D. Ratio **Weegy:** Nominal numbers (sometimes called categorical numbers) are numerals used for identification only. The numerical value is irrelevant, and they do not indicate quantity, rank, or any other measurement. [ [ Example would be ZIP code Ordinal numbers represent rank in a particular order Interval is a set of real numbers with the property that any number that lies between two numbers in the set is also included in the set. For example, the set of all numbers x satisfying 0 ? x ? 1 is an interval which contains 0 and 1, as well as all numbers between them. Other examples of intervals are the set of all real numbers , the set of all negative real numbers, and the empty set. Ratio is a relationship between two numbers of the same kind[1] (i.e., objects, persons, students, spoonfuls, units of whatever identical dimension), usually expressed as "a to b" or a:b, sometimes expressed arithmetically as a dimensionless quotient of the two[2] which explicitly indicates how many times the first number contains the second (not necessarily an integer).[3 ] ] (More)

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Asked 1/28/2013 7:05:31 PM

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A small sample of computer operators shows monthly incomes of $1,950, $1,775, $2,060, $1,840, $1,795, $1,890, $1,925, and $1,810. What are these ungrouped numbers called?
A. Histogram
B. Class limits
C. Class frequencies
D. Raw data **Weegy:** These ungrouped numbers are called Raw Data. (More)

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Asked 1/28/2013 7:24:06 PM

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For any data set, which measures of central location have only one value?
A. Mode and median
B. Mode and mean
C. Mode and standard deviation
D. Mean and median **Weegy:** The answer is A. Mode and median... (More)

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Asked 1/28/2013 8:49:59 PM

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Monthly commissions of first-year insurance brokers are $1,270, $1,310, $1,680, $1,380, $1,410, $1,570, $1,180, and $1,420. These figures are referred to as
A. a histogram
B. raw data
C. frequency distribution
D. frequency polygon
**Weegy:** B. raw data
**User:** The sum of the deviations of each data value from this measure of central location will always be 0
A. Mode
B. Mean
C. Median
D. Standard deviation
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Asked 1/28/2013 8:42:43 PM

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