Exhibit 18-2

Suppose I build a card shuffler, and I wish to know whether it is effective. I take a standard bridge deck (52 cards in 4 suits: 13 Clubs, 13 Diamonds, 13 Hearts, and 13 Spades), use my shuffler on it, and draw a card, noting its suit. I repeat this process 100 times, and obtain the following sample distribution: 23 Clubs, 25 Diamonds, 26 Hearts, and 26 Spades.

Refer to Exhibit 18-2. Which of the following is true? Exhibit 18-2

Suppose I build a card shuffler, and I wish to know whether it is effective. I take a standard bridge deck (52 cards in 4 suits: 13 Clubs, 13 Diamonds, 13 Hearts, and 13 Spades), use my shuffler on it, and draw a card, noting its suit. I repeat this process 100 times, and obtain the following sample distribution: 23 Clubs, 25 Diamonds, 26 Hearts, and 26 Spades.

Refer to Exhibit 18-2. The proper test to use is