Biostatistics

Degrees: Pharmacy, Biotechnology Date: November 18, 2019 Question 1 In a population where the prevalence of a disease is 10% we apply a diagnostic test with a sensitivity 85%. What must be the minimum specificity of the test to diagnose the disease when the outcome of the test is positive?

Degrees: Pharmacy, Biotechnology Date: October 14, 2019 Question 1 It has been measured the systolic blood pressure (in mmHg) in two groups of 100 persons of two populations $A$ and $B$.

Degrees: Physiotherapy Date: June 18, 2019 Descriptive Statistics and Regression Question 1 A study tries to determine the effectiveness of an occupational risk prevention program in jobs that require to be sit a lot of hours.

Degrees: Physiotherapy Date: May 27, 2019 Descriptive Statistics and Regression Question 1 A study tries to determine the effect of smoking during the pregnancy in the weight of newborns. The table below shows the daily number of cigarretes smoked by mothers ($X$) and the weight of the newborn (all of them are males) ($Y$).

Degrees: Physiotherapy Date: March 26, 2019 Question 1 The time required by a drug $A$ to be effective has been measured (in minutes) in a sample of 150 patients. The table below summarize the results.

Degrees: Pharmacy, Biotechnology Date: December 17, 2018 Question 1 The chart below represents the cumulative distribution of the number of daily defective drugs produced by a machine in a sample of 40 days.

Degrees: Pharmacy, Biotechnology Date: November 19, 2018 Question 1 In a population that is exposed to two viruses strains $A$ and $B$ it is known that 2% of persons are immune only to virus $A$ and 4% are immune only to virus $B$.

Degrees: Pharmacy, Biotechnology Date: October 29, 2018 Question 1 A study about obesity in a city has measured the body mass index (BMI) in a sample. The collected data is shown in the table below.

Degrees: Physiotherapy Date: May 31, 2018 Question 1 The ages of a sample of patients of a physical therapy clinic are: 25, 30, 44, 44, 51, 51, 53, 56, 57, 58, 58, 58, 59, 59, 61, 63, 63, 63, 66, 68, 70, 71, 72, 74, 82, 85

Degrees: Physiotherapy Date: April 9, 2018 Question 1 The chart below describes the distribution of the head arc of rotation (in degrees) in people working with and without computers. Plot the ogive of the head arc of rotation for people working with computers.