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Math 215 Midterm Updated Actual Exam Questions And Correct Answers

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Math 215 Midterm Updated Actual Exam Questions And Correct Answers

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MATH 215 MIDTERM UPDATED ACTUAL EXAM
QUESTIONS AND CORRECT ANSWERS

Question 1.
Statistics


ANSWER
science of collecting, analyzing, presenting and interpreting data, as well as making decisions
based on such analyses



Question 2.
descriptive statistics


ANSWER
methods for organizing, displaying and describing data using tables, graphs and summary
measures



Question 3.
data set


ANSWER
whole set of numbers representing information



Question 4.
element


ANSWER
subject or object about which information is collected



Question 5.
Inferential statistics


ANSWER
methods that use sample results to help make decisions or predictions about a population





, Question 6.
Population


ANSWER
consists of all elements whose characteristics are being studied



Question 7.
Sample


ANSWER
a portion of the population selected for study



Question 8.
Census


ANSWER
survey that includes every member of the population



Question 9.
Representative sample


ANSWER
sample that represents the characteristics of the population as closely as possible



Question 10.
random sample


ANSWER
sample drawn in such a way that each element of the population has a chance of being
selected



Question 11.
variable

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