Mary Beth Marrs, the manager of an apartment complex, feels overwhelmed by the number of complaints she is receiving. Below is the check sheet she has kept for the past 12 weeks. Develop a Pareto chart using this information. What recommendations would you make?

WEEK GROUNDS PARKING/
DRIVES POOL TENANT ISSUES ELECTRICAL/
PLUMBING 1 ✓✓✓ ✓✓ ✓ ✓✓✓
2 ✓ ✓✓✓ ✓✓ ✓✓ ✓
3 ✓✓✓ ✓✓✓ ✓✓ ✓
4 ✓ ✓✓✓✓ ✓ ✓ ✓✓
5 ✓✓ ✓✓✓ ✓✓✓✓ ✓✓
6 ✓ ✓✓✓✓ ✓✓
7 ✓✓✓ ✓✓ ✓✓
8 ✓ ✓✓✓✓ ✓✓ ✓✓✓ ✓
9 ✓ ✓✓ ✓
10 ✓ ✓✓✓✓ ✓✓ ✓✓
11 ✓✓✓ ✓✓ ✓
12 ✓✓ ✓✓✓ ✓✓✓ ✓