Casio STAT 2 Manuel d'utilisateur télécharger pdf (Page 55)

Solutions and Screen Shots for Activity 10

To find the 95% confidence interval:

1. Delete any data that is currently in the lists.

• Press the AC/ON button, from the main menu

press 2(STAT).

• If you have data in your lists, place the cursor

within the list with data in it and press F6,

F4(DEL-A), then F1(YES). Repeat until all data is

deleted. Press F6.

2. Enter the Height data into List 1.

• Enter data for height into the first cell of list 1,

press EXE.

• Repeat until all data are entered into List 1.

3. Find the t-interval at 95% confidence:

• Press F4(INTR).

• Press F2(t).

Height in centimeters

165

172

160

178

165

169

174

155

164

179

167

172

159

172

164

167

180

145

176

166

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Casio STAT 2 Manuel d'utilisateur Page 55