1st sample 2nd sample 3rd sample 4th sample 5th sample 229 231 256 280 248 253 226 256 231 267 220 182 287 237 201 217 120 289 256 228 310 201 266 396 222 223 244 236 215 212 249 308 175 255 272 235 221 231 235 254 310 257 272 214 229 258 210 229 222 234 228 295 228 171 258 292 229 229 336 256 261 272 254 229 235 245 341 310 267 231 214 250 254 248 354 222 238 235 248 289 282 198 215 221 217 226 229 396 308 336 250 273 295 198 229 212 248 210 245 215

Q. How long does it take to play 10,000 consecutive '80s songs, without interruption?Round all answer to two decimal places.

1. Identify n =30, X bar = _________,s =____________

2. Degrees of Freedom= 29

3. Alpha =0.05

4. The Critical Value:___________

5. The Margin of Error:_____________

6. The Left___________ and Right___________endpoint.

7. The Confidence Interval: (__________<<____________)

8. Write theConclusion: With 95% confidence, the true population mean ofthe length of 10,000 1980's songsis between __________ daysand_________hours and ________ days and___________hours.

What is the best point estimate for?__________