What is the difference between precision and accuracy?

Group of answer choices

a. Decision means the degree to which there is conformance to requirements accuracy refers to fitness for use

b. Precision means the values of the repeated measurements are clustered and have little scatter. Accuracy means that the measured value is very close to the true value

c. Precision is the degree to which the project quality assurance processes are being met. Accuracy is the degree to which the product meets customer specifications

d. Precision is the ability to provide information to six sigma level. Accuracy is the process of ensuring that the six sigma target is met