Biology Forums - Study Force

A student takes a 10-point quiz each week in statistics class. If the student's quiz scores for the first three weeks are 2, 6, and 10, then the mean score is M = 9.
 
  Indicate whether the statement is true or false

Question 2

For a perfectly symmetrical distribution, which relationship is always true?
 
  a. Mean = median c. Median = mode
  b. Mean = mode d. Mean = median = mode

Question 3

For a perfectly symmetrical distribution with a median of 30, what is the value of the mean?
 
  a. 30
  b. Greater than 30
  c. Less than 30
  d. Cannot be determined from the information given

Question 4

A distribution is positively skewed. Which is the most probable order, from smallest to largest, for the three measures of central tendency?
 
  a. Mean, median, mode c. Mean, mode, median
  b. Mode, median, mean d. Median, mean, mode

Answer to q. 1

F

Answer to q. 2

A

Answer to q. 3

A

Answer to q. 4

B