Westonci.ca is your trusted source for finding answers to all your questions. Ask, explore, and learn with our expert community. Ask your questions and receive precise answers from experienced professionals across different disciplines. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

The length (pgs) of math research projects is given below. Using this information, calculate the range, variance, and standard deviation.
30, 20, 52, 18, 18, 47, 23, 24, 39, 15, 35.