PROBABILITY EXPERTS

PART 1

In a multivariate normal distribution, the standardised estimated coefficients equals... the correlation coefficient.

When it comes to inferential statistics for a linear regression model, which of the following statements is correct?

The correlation coefficient will be meaningful if the coefficient of correlation is substantial.

The research coefficient is identical to in a regression equation.

the Y-intercept and the magnitude of Y when X = 0

PART 2

Question:

The CDC

reports that deaths fromprescription opioidslike oxycodone and

hydrocodone have quadrupled since 1999. In response, the CDC has published

prescribing guidelines for healthcare providers and encouraged states to adopt

prescription drug monitoring programs. There is a push for expanding addiction

treatment.

11 What

is meant by bariatric surgical procedures?

12 In a

patient with marked obesity, is bariatric surgery better than a balloon

inserted into the stomach?

13 Does

intravenous nutrition always have to be given via a central vein?

14 Why

has there been an explosion of obesity in the young?

15 Are

proteins mostly absorbed from the intestinal lumen into the blood as amino

acids?

16 What

are 'congeners' in alcohol?

17

Cholesterol is synthesized in the body. What is the comparative role of diet

and endogenous production in the level of serum cholesterol?

18 We

frequently read of the severe but 'rare' side-effect of myositis with statins.

Do these drugs have more 'common' side-effects?

19 Is

there a relationship between brain disease and alcohol intake? Does alcohol

have a proven toxic effect on the brain?

20 What

is the difference between malabsorption and malnutrition and how can these be

differentiated clinically? 5