Find  if , , and .

Classify the statement:  Median is more sensitive towards outliers than a mean.

The table shows the number of hours 12 students watched television during the weekend and the test scores of each student who took the test the following Monday. Find the equation of the least-squares regression line.

A researcher was interested in the effect of exercise on memory. She randomly assigned half of a group of students to run up a stairway three times and the other half to rest for an equivalent amount of time.  Each student was then asked to memorize a series of random digits.  She compared the number of digits remembered for the two groups. Classify this is as:

The amounts of coffee dispensed from the vending machine follow a bell-shaped symmetric distribution.  In a sample of 50 cups of coffee dispensed from the vending machine, the mean amount dispensed was 7.6 ounces with a standard deviation of 0.2 ounces. The amount of coffee dispensed from the vending machine is 0.56 standard deviations below the mean amount. Find the actual amount of coffee.

The amounts of coffee dispensed from the vending machine follow a bell-shaped symmetric distribution.  In a sample of 50 cups of coffee dispensed from the vending machine, the mean amount dispensed was 7.6 ounces with a standard deviation of 0.2 ounces. Classify the statement: About 95% of sampled cups dispensed from the vending machine have between 7.2 and 8 ounces of coffee.

BASIC CONCEPTS A woman taking oral contraceptives reports the following changes. Which one is an expected side effect and requires no intervention?

ADVANCED CONCEPTS Which laboratory finding in a perimenopausal woman who takes Premarin should be reported to the prescriber?

ADVANCED CONCEPTSA patient who has been prescribed ranitidine reports darkened stools. What is your best action?

ADVANCED CONCEPTS An 82-year-old-man is prescribed a dihydrotestosterone (DHT) inhibitor to treat benign prostatic hypertrophy (BPH). Which health promotion activity is most important to teach this patient?