In a singly linked list, every node has ____.  

Suppose linkedList is a reference to an empty ListADT. What are the list’s items after the following operations? linkedList.append(5); linkedList.append(6); linkedList.append(7);

What is the in-order traversal of the following tree?         H       / \     D    L    / \      \ B      F      M        /       E

Consider the following singly-linked list: The head node’s data value is _____.

Which binary tree type is both full and complete?

Given a key, the hash function returns ____.

What is the breadth-first search (BFS) traversal of the following tree?        M       / \     N   O    /  \     \   P    Q     R            \              S

A coin is tossed 7 times. The probability of heads on any toss is 0.23. Let x denote the number of tails that comes up.  (a) What kind of trial is this? Trial = Trial   (b) Find the probability that tails show up exactly three times. (write your answer as a percent with two decimal places) Probability = %

Decreasing the sample size, while holding the confidence interval the same, will do what to the length of your confidence interval? 

Use the histogram below: Where is the center of this graph?