Name__________________________ Section________ ID_____________

Averages: Concepts

RIDDLE: Why did the Idaho potato leave the United States?

Directions: To find the answer to the riddle, write "T" for "true" or "F" for "false" on the line next to each statement. The letter at the end of the first true statement is the first letter in the answer to the riddle, the letter in the second true statement is the second letter, and so on.

_____1. The mean is the most frequently used average. (F)

_____2. Averages are sometimes called "measures of central tendency." (R)

_____3. In a distribution with a positive skew, the median has a higher value than the mean. (A)

_____4. In a normal distribution, the mean, median, and mode have the some value. (E)

_____5. The median has only 50% of the cases below it ONLY in a normal distribution. (I)

_____6. The mean has 50% of the cases below it regardless of the shape of the distribution. (T)

_____7. The mode always has 50% of the cases below it. (S)

_____8. In a distribution with a negative skew, the tail is to the left. (N)

_____9. Since income is skewed in large distributions, the median rather than the mean is usually used for

describing average income. ©

_____10. The mode is the type of average most likely to be reported in a scientific article. (A)

_____11. It is possible for a distribution to have more than one mode. (H)

_____12. In a distribution with a negative skew, the mode has a higher value than the median. (F)

_____13. In a distribution with a positive skew, the tail is to the right. (R)

_____14. The mode is the least reliable average. (Y)

Write the answer to the riddle here, putting one letter on each line.



TO BECOME A ___ ___ ___ ___ ___ ___ ___ ___ ___