# BIO401 Quiz 1 Solved - Biostatistics Solved Quiz

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BIF401 Quiz 1

Biostatistics Solved Quiz

1) We need sampling for ___ purpose
Select the correct option
a) Speed
b) Economy
c) Accuracy
d) All

2) If we wish to check the BP values of some patients in a hospital then all patients admitted in hospital are
Select the correct option
a) Data
b) Population
c) Sample
d) Source
3) Commonly used measure of central tendency is/are:
Select the correct option
a) Mode
b) Mean
c) Median
d) All

4) In NCn, N represents:
Select the correct option
a) The number of combinations (subsets) of n from N
b) The number of cases in the sampling frame
c) The sampling fraction
d) The number of cases in the sample

5) Population is the collection of all possible entities which is described by ___
Select the correct option
a) Parameters
b) Statistics
c) Numbers
d) Values

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6) ___ sampling is commonly known as unsystematic, accidental or opportunistic sampling.
Select the correct option
a) Quota sampling
b) Convenience
c) Snow ball sampling
d) Judgmental or deliberate sampling

7) A discrete variable is:
Select the correct option
a) The number of daily admissions in a hospital
b) Skull circumference
c) Height
d) Weight
8) ___ is affected by extreme values.
Select the correct option
a) Mode
b) Mean
c) All
d) Median

9) The average value of a data is called ___
Select the correct option
a) Mode
b) Mean
c) Standard deviation
d) Median

10) ___ type of sampling refers to identifying someone who meets the criteria for inclusion in the study.
Select the correct option
a) Random sampling
b) Probability sampling
c) Snowball sampling
d) Non-Probability sampling

11) Source of data can be
Select the correct option
a) Routinely kept records
b) Survey & Experiments
c) Routinely kept records
d) All

12) Which one is not the type of probability Sampling designs?
Select the correct option
a) Systematic sampling
b) Non-systematic sampling
c) Cluster (area) sampling
d) Multistage sampling

13) Probability sampling is divided into ___ types
Select the correct option
a) 7
b) 5
c) 6
d) 4

14) The General Population that the study seeks to understand.
Select the correct option
a) Study population
b) Target population
c) Sample population
d) Source population
15) Median for the given values 23,28,28,31,32,34,37,42,50,61 will be:
Select the correct option
a) 34
b) 33
c) 35
d) 32

16) Ordinal data scale is used for ___ measurement
Select the correct option
a) Variable intervals
b) Categories
c) Real numbers
d) Constant intervals

17) Example of simple random sampling is:
Select the correct option
a) Get list of clients over past year
b) All
c) small service agency
d) Client assessment of quality of service

18) A descriptive value for a population is called:
Select the correct option
a) Inferential Statistics
b) Statistics
c) Descriptive Statistics
d) Parameter

19) Qualitative Variables include:
Select the correct option
a) Height
b) Blood group
c) Hemoglobin values
d) RBCs count

20) An assumption about the population parameter is ___.
Select the correct option
a) Hypothesis
b) Significance
c) Probability
d) Inference

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