5- Variable control charts cannot be used for attributes. ( ). 6- There are two types of attribute charts for nonconforming Units and for nonconformities. ( 7- The P Chart is used in quality to report the fraction or percent nonconforming in a product, quality characteristic, or group of quality characteristics. ( ). 8- Because the fraction nonconforming is very small, the subgroup sizes must be quite large to produce a meaningful chart. ( ). 9- The P-chart can be used to control one quality characteristic, or to control a group of quality characteristics, or to control the entire product. (). 10- Number Nonconforming Chart (np) is easier for operating personnel to understand than the p chart. ( )