At the Food Barn, children can order from the adult menu (A) or the child's menu (C). Below is the pattern of menu orders for 24 children last Wednesday evening. A, A, A, A, C, A, A, C, C, C, A, A, A, A, A, A, C, C, C, A, C, C, C, C
Which statement is most accurate?
A)Neither sample size (for outcomes A or C) is large enough for a runs test using z.
B)Both sample sizes (for outcomes A and C) are large enough for a runs test using z.
C)Only one outcome has a large enough sample for a runs test using z.
D)This type of data would not be suited for a runs test using z.

Question

Quizplus · Accepted Answer

Both outcomes A (adult menu) and C (child's menu) have a large enough sample size for a runs test using z. The runs test is used to analyze sequences of data for randomness. In this case, there are 15 orders from the adult menu and 9 from the child's menu, both of which are sufficient for the basic requirements of a runs test.

At the Food Barn, Children Can Order from the Adult