Statistics

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.

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.

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.