№6. mathematics is an academic discipline that studies such concepts as structure, space and change. а. quality б. quantity в. science г. letters № 7. the totality of all abstract mathematical sciences such as arithmetic, algebra, geometry and trigonometry is called а. pure mathematics б. applied mathematics в. computer science г. physics № 8. the totality of all concrete interpretations is called а. geometry б. applied mathematics в. applied physics г. pure mathematics № 9. a is the difference between a datum and some reference value, typically the mean of the data. а. deviation б. data в. comparison г. abbreviation № 10. is the elementary branch of mathematics dealing with the properties of numbers and their operations. а. arithmetic б. geometry в. analysis г. logic № 11. in writing and reading numbers, the figures may be separated into groups of three figures each, called а. periods б. times в. cycles г. teams № 12. is the process of summing up several numbers into one whole. а. subtraction б. multiplication в. division г. addition № 13. is the process of finding the difference between two numbers. а. subtraction б. addition в. multiplication г. division № 14. the number which is subtracted is called а. subtrahend б. minuend в. product г. item № 15. the “ hypothesis” typically describes some change or effect that you expect or hope to see confirmed by data. а. alternative б. negative в. positive г. statistical № 16. statistics enables the horizon of one's knowledge. а. to shorten б. to eliminate в. to enlarge г. to predict

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