Biostatistics: Study Material with Solved Assignments and Questions

BIOSTATISTICS
STUDENT ID:
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Question 1
1) Gender – Nominal
2) Blood Type – Nominal
3) Number of Children – Ratio
4) Serum potassium level – Ratio
5) Age in Categories – Ordinal
Question 2
1) The median of the distribution is 7 hours.
2) The mode of the distribution is 8 hours as it has the largest frequency.
3) The range of the distribution is 11 hours obtained from the difference of 15 hours (highest
value) and 4 hours (minimum value)
4) The answer is 29.7% as is evident from the table.
Question 3
1) Gender difference does not exist in the three groups as the chi-square test statistic in this
context has come out as 4.03 which is not significant and hence does not point towards any
significant difference for the two genders (Flick, 2015).
2) It is apparent from the given table that waist circumference is a significant factor with
regards to the number of remaining teeth as the chi square statistic derived in this regards is
statistically significant even at 0.1% level of significance. Typically a higher number of
remaining teeth would be witnessed for those having abnormal waist circumference (Hair,
Wolfinbarger, Money, Samouel & Page, 2015).
Question 4