Bottles of water have a label stating that the volume is 12 oz. A consumer group suspects the bottles are under-filled and plans to conduct a test. A Type 1 error in this situation would mean The consumer group concludes the bottles have less than 12 oz when the mean actually is 12 OZ The mean is 12 oz and the consumer group concludes the bottles have 12 oz The consumer group does not conclude the bottles have less than 12 oz when the mean actually is less than 12 oz. The mean is less than 12 oz and consumer group conludes the bottles have less than 12 oz.