Exercise - Biostatistics and Data Handling

1. To which of the following fields of life sciences, biostatistics is not applicable?, and.:

1. health
2. chemical engineering
3. agriculture
4. medicine

2. Biostatistics is involved in:

1. Epidemiological studies
2. Agriculture
3. Economics
4. Public Health

3. All of the followings are types of averages except:

1. Arithmetic Mean
2. Median
3. Mode
4. Product of data values

4. The symbol for mean is:

1. "x" (read as "x bar")
2. X (read as "x tilde")
3. X" (read as x-hat)
4. "h" ("read as highly stable")

5. Formula of "Mean" for un-group data is:

1. $\frac{\sum x}{n}$$\frac{\sum x}{n}$
2. $\frac{\sum fx}{\sum f}$$\frac{\sum f x}{\sum f}$
3. $\frac{\sum f1}{\sum f2}$$\frac{\sum f1}{\sum f2}$
4. $\frac{n+1}{2}$$\frac{n + 1}{2}$

6. Find the mode from this dataset given 46,49,55,58,62,66,64,65,66,67,68,70,72:

1. 46
2. 62
3. 66
4. 72

7. The first step in genetic engineering is:

1. isolation of the gene of interest
2. insertion of the gene into a vector
3. transfer of recombinant DNA
4. expression of the gene