Suppose a friend is always tired because she stays up late watching television. Which factor is having a negative influence on her health?

Which factor is least likely to influence one's choice of purchase? a friend's opinion the advice of a salesperson the price of an item the day of the purchase

When all the values in a data set are written in order from least to greatest, the value that is in the middle, with an equal number of values below it and equal number of values above it, is called the .

Which finger should not be used when measuring heart rate?