1. Your First Data Structure: 1D Array Shirley Moore CS 1401 Spring 2013 cs1401spring2013.pbworks.com April 9, 2013

2. Agenda Announcements Recap Exam 2 last two problems Recap Quiz 5 Introduction to Arrays Assignments for Thursday Intro to Lab 7

3. Announcements CS Seminar – April 12, 2013 -- 1:00-2:00 PM in CCSB G.0208 – Guillaume Melquiond, Universite Paris Sud – Title: Formal proof and interval arithmetic, a virtuous circle Lab 6 due today! Programming Exercises 5.16, 5.20 due today Quiz 5 redo (if you took it the first time) Quiz 6 on Thursday, April 11 Exam 2 retest on last two problems Thursday, April 11 First research paper due by April 25

4. Motivating Example: Standard Deviation Suppose you want to read in a set of values, compute the mean and the standard deviation, and report how many values are within one standard deviation of the mean. See http://www.mathsisfun.com/data/standard- deviation.html for definitions. http://www.mathsisfun.com/data/standard- deviation.html We need to store the scores as we read them in and then be able to process them.

5. Class Activity Complete the program DogHeights.java (download from class website)

6. Assignments for Thursday Read sections 6.1-6.2 CheckPoint questions on pp. 230-231 Study for Quiz 6 over methods and array basics