# Exam

## Physiotherapy exam 2020-06-19

Degrees: Physiotherapy Date: June 19, 2020 Descriptive Statistics and Regression Question 1 To see if the confinement due to COVID-19 has influenced the performance of a course, the number of failed subjects of each student in the current course and in the previous year course has been counted, obtaining the table below.

## Physiotherapy exam 2020-05-25

Degrees: Physiotherapy Date: May 25, 2020 Descriptive Statistics and Regression Question 1 In a course there are 150 students, of which 50 are working students and the other 100 non-working students.

## Pharmacy exam 2019-12-16

Degrees: Pharmacy and Biotechnology Date: Dic 16, 2019 Question 1 A lagoon contaminated with nitrates contains 1000 tons of nitrates dissolved in 6 millions of cubic meters of water. To decontaminate the lagoon, we start to introduce pure water into the lagoon at a rate of 100000 cubic meters per day, and we take out the same amount of contaminated water.

## Pharmacy exam 2019-12-16

Degrees: Pharmacy, Biotechnology Date: December 16, 2019 Question 1 The table below summarizes the time (in minutes) required to remove anesthesia after a surgery in a sample of 50 patients.

## Pharmacy exam 2019-11-18

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?

## Pharmacy exam 2019-10-14

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 $B$.

## Physiotherapy exam 2019-06-18

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.

## Physiotherapy exam 2019-05-27

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) ($Y$).

## Physiotherapy exam 2019-03-26

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.

## Pharmacy exam 2018-12-17

Degrees: Pharmacy and Biotechnology Date: Dic 17, 2018 Question 1 A organism metabolizes alcohol at a rate half of the present amount per minute. If initially there is no alcohol and we start to introduce alcohol in the organism at a constant rate of 2 ml/min, how much alcohol will there be in the organism after 5 minutes?