2nd Year Biology Chapter 10 TestBIOSTATISTICS

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

1. What statistical tool breaks data down into specific intervals for a deeper analysis?

   1. Percentiles

   2. Mean

   3. Mode

   4. Average

2. Which of the following is considered the simplest form of variability to measure data dispersion?

   1. Mean

   2. Variance

   3. Range

   4. Percentile

3. Pie charts are ideal for visualizing data as:

   1. Continuous linear trends

   2. Portions of a whole

   3. Scattered individual points

   4. Intersecting geometric planes

4. The factor that the experimenter actively changes or manipulates to observe its effect is the:

   1. Dependent variable

   2. Control variable

   3. Independent variable

   4. Constant factor

5. Biostatistics is a scientific discipline that applies statistical methods and techniques specifically to:

   1. Physical and geological structures

   2. Biological, medical, and health-related data

   3. Financial and marketing trends

   4. Software and artificial intelligence algorithms

6. Which percentile corresponds exactly to the median of a dataset?

   1. 25th percentile

   2. 50th percentile

   3. 75th percentile

   4. 90th percentile

7. The range is calculated as the difference between which two values in a dataset?

   1. The maximum and minimum values

   2. The mean and median

   3. The first and third quartiles

   4. The mode and standard deviation

8. Formulating the research question and structuring experiments are done to test a:

   1. Microbe

   2. Hypothesis

   3. Variable only

   4. Constant factor

9. What do error bars represents in a chart?

   1. Average

   2. Variability or uncertainty in data

   3. Both of these

   4. None of these

10. Error bars help visualize how much the individual data points typically deviate from the:

    1. Highest possible value only

    2. X-axis baseline

    3. Graph title parameter

    4. Central tendency