MATH 215 Introduction to statistics Midterm Exam
Questions with Correct Answers
100% Verified Graded A+
1. Statistics
Answer science of collecting, analyzing, presenting and interpreting data, as well as
making decisions based on such analyses
2. descriptive statistics
Answer methods for organizing, displaying and describing data using tables, graphs and
summary measures
3. data set
Answer whole set of numbers representing information
4. element
Answer subject or object about which information is collected
5. Inferential statistics
Answer methods that use sample results to help make decisions or predictions about a
population
1/
13
, 6. Population
Answer consists of all elements whose characteristics are being studied
7. Sample
Answer a portion of the population selected for study
8. Census
Answer survey that includes every member of the population
9. Representative sample
Answer sample that represents the characteristics of the popu- lation as closely as possible
10. random sample
Answer sample drawn in such a way that each element of the popula- tion has a chance of
being selected
11. variable
Answer characteristic under study that assumes different values for different elements
12. observation
Answer value of a variable for an element
13. Discrete variable
Answer variable hose values are countable, and can assume only certain values with no
intermediate values
2/
13
Questions with Correct Answers
100% Verified Graded A+
1. Statistics
Answer science of collecting, analyzing, presenting and interpreting data, as well as
making decisions based on such analyses
2. descriptive statistics
Answer methods for organizing, displaying and describing data using tables, graphs and
summary measures
3. data set
Answer whole set of numbers representing information
4. element
Answer subject or object about which information is collected
5. Inferential statistics
Answer methods that use sample results to help make decisions or predictions about a
population
1/
13
, 6. Population
Answer consists of all elements whose characteristics are being studied
7. Sample
Answer a portion of the population selected for study
8. Census
Answer survey that includes every member of the population
9. Representative sample
Answer sample that represents the characteristics of the popu- lation as closely as possible
10. random sample
Answer sample drawn in such a way that each element of the popula- tion has a chance of
being selected
11. variable
Answer characteristic under study that assumes different values for different elements
12. observation
Answer value of a variable for an element
13. Discrete variable
Answer variable hose values are countable, and can assume only certain values with no
intermediate values
2/
13
