2nd Year Biology Chapter 11 Test11. Biostatic and Data Analyzing

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. If the number of values is even, median is:
   1. The middle value
   2. Average of two middle values
   3. First value
   4. Last value
2. Biostatistics is not involved in:
   1. Epidemiological studies
   2. Agriculture
   3. Petroleum industry
   4. Public Health
3. Range is calculated as:
   1. Σfx/Σf
   2. Maximum – Minimum
   3. Median – Mode
   4. Σ(X–μ)²/n
4. The factors that must be kept constant during an experiment across both the experimental and control groups are known as
   1. Control variables
   2. Outcome variables
   3. Input variables
   4. Cause variables
5. All of the following are types of averages except:
   1. Arithmetic Mean
   2. Median
   3. Mode
   4. Product of data values
6. The horizontal line in a bar chart is called:
   1. Y-axis
   2. Z-axis
   3. X-axis
   4. Scale line
7. The group in an experiment that receives the treatment is called:
   1. Control group
   2. Experimental group
   3. Independent group
   4. Dependent group
8. The collection of related data values organized for analysis is called:
   1. Data set
   2. Sample
   3. Frequency table
   4. Hypothesis
9. Mode is the value which:
   1. Represents average
   2. Occurs maximum number of times
   3. Lies in middle
   4. Represents spread
10. Formula of “Mean” for un-group data is:
    1. Σx/n
    2. Σfx/Σf
    3. Σf1/Σf²
    4. n+1/2