A sample of pounds lost in a given week by individual members of a weightreducing clinic produced the following statistics:

mean = 5 pounds first quartile = 2 pounds median = 7 pounds third quartile = 8.5 pounds mode = 4 pounds standard deviation = 2 pounds Identify the correct statement:

(1) One-fourth of the members lost less than 2 pounds.

(2) The middle 50% of the members lost between 2 and 8.5 pounds.

(3) The most common weight loss was 4 pounds.

(4) All of the above are correct.

(5) None of the above is correct.