5 1/6-7 1/3 I-ready please answer my question correctly

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

What are different types of statistical programs