BIOSTATISTICS EXAM 1 Questions with Correct Solutions

BIOSTATISTICS EXAM 1 Questions with Correct Solutions


Question:
1. Statistics

Answer:
the science of collecting, processing, analyzing, and interpreting data in such a way that
conclusions can be drawn in an objective manner


Question:
2. Biostatistics

Answer:
pertains to statistics as applied to the medical, biological and health sciences


Question:
3. Population

Answer:
the class of people that they are trying to make generalizations about


Question:
4. Sample

Answer:
a portion of the population


Question:
5. Inference

Answer:
making generalizations about the entire population based on studying the sample


Question:
6. The 3 basic questions in statistics

Answer:
- How should I collect my data?
- How should I describe and summarize the data that I've collected?
- What does my data tell me about the way that the world works (inference)?


Question:
7. Parameters

, Answer:
the numbers that describe the population


Question:
8. Estimate (or statistic)

Answer:
a number that can be computed from a sample


Question:
9. Descriptive Statistics

Answer:
deals with methods for summarizing and/or presenting data


Question:
10. Inferential Statistics

Answer:
deals with methods for making generalizations about a population based on information
contained in the sample


Question:
11. Probability

Answer:
the science of characterizing the behavior of random phenomena


Question:
12. Categorical data

Answer:
Qualitative data


Question:
13. Quantitive data

Answer:
Numerical data


Question:
14. Nominal data

Answer:
a type of categorical data where the underlying variable assumes different categorical values,
and these values have no inherent ordering