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BIOSTATISTICS basics

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Bio statistics can be used for

a)

designing experiment

b)

collecting data

c)

analysis of data

d)

all the above

2.

The marks obtained by 10 students at the entrance examination were as follows

         24, 36, 34, 35, 33, 42, 23, 20, 36, 28. Calculate the Mode

a)

24

b)

33

c)

42

d)

36

3.
a)

simple random sampling

b)

stratified sampling

c)

biased sampling

d)

snowball sampling

4.

What is the first stage in statistics?

a)

Collect data

b)

Identify the group of variables to be studied

c)

Review the materials

d)

Analyze data

e)

Summarize data

5.

It is the application of statistical methods to designing experiments in medicine.

a)

Biomimetics

b)

Bioengineering

c)

Biostatistics

d)

Biology

6.

1.Data that are collected for the first time by an investigator

a)

array data

b)

primary data

c)

secondary data

d)

tertiary data

7.

A random sample suggests that

a)

A person in the control group will not be a member in experimental group

b)

Any member of the group to be studied has an equal opportunity to be included in the study

c)

Every nth name in the list is selected

d)

Subjects are volunteers

8.

What is Statistics?

a)

It's a branch of mathematics dealing with fractions

b)

It's a branch of mathematics dealing with fractions

c)

It's a branch of mathematics dealing with collection, analysis, interpretation, organization and presentation of data

d)

It's a branch of mathematics dealing with ratios

9.

A subset of a population is

a)

Number

b)

Variable

c)

Sample

d)

Deviation

10.

Who is regarded as the father of biostatistics

a)

Fischer

b)

Karl Pearson

c)

Francis Galton

d)

Francis Bacon

11.

Variable whose values can be expressed numerically are called

a)

Quantitative variables

b)

Qualitative variables

c)

Absolute variables

d)

Continuous

variables

12.

Find the mean.(1,2,3,4,5,6)

a)

3.5

b)

3.2

c)

3.4

d)

3.7

13.

Which of these measures can be used to present an average for data?

a)

Standard deviation, range and mean

b)

Mean, beta and normal distribution

c)

Median, range, normal distribution

d)

Mean, median and mode

14.

Branch of statistics that refers to the different methods applied in order to summarize and present data in a form which will make them easier to analyze and interpret n Ex: tabulation, graphical presentation, computation of averages

a)

descriptive statisitcs

b)

inferential statistics

c)

bioinformatics

d)

biotechnology

15.

Branches of statistics that Includes methods involved in order to make generalizations and conclusions about a target population, based on results from a sample

a)

descriptive statistics

b)

Inferential statistics

c)

bioinformatics

d)

biotechnology