weekly department performance (percent to goal)\n110%\n105%\n100%\n95%\n90%\n85%\nweek 1 week 2 week 3 week…

weekly department performance (percent to goal)\n110%\n105%\n100%\n95%\n90%\n85%\nweek 1 week 2 week 3 week 4\nwhich department had the best average productivity over the last month?\ndepartment 1\ndepartment 2\ndepartment 3\ndepartment 4\ndepartment 5
Answer
Answer:
C. Department 3
Explanation:
Step1: Estimate weekly values
Department 1: Week 1 - 103%, Week 2 - 101%, Week 3 - 99%, Week 4 - 95%, average = $\frac{103 + 101+99 + 95}{4}=\frac{398}{4}=99.5%$
Step2: Department 2
Week 1 - 103%, Week 2 - 105%, Week 3 - 100%, Week 4 - 102%, average = $\frac{103+105 + 100+102}{4}=\frac{410}{4}=102.5%$
Step3: Department 3
Week 1 - 91%, Week 2 - 97%, Week 3 - 101%, Week 4 - 105%, average = $\frac{91+97+101+105}{4}=\frac{394}{4}=98.5%$
Step4: Department 4
Week 1 - 97%, Week 2 - 109%, Week 3 - 89%, Week 4 - 103%, average = $\frac{97+109+89+103}{4}=\frac{398}{4}=99.5%$
Step5: Department 5
Week 1 - 94%, Week 2 - 93%, Week 3 - 97%, Week 4 - 92%, average = $\frac{94+93+97+92}{4}=\frac{376}{4}=94%$ Department 2 has the highest average percentage to - goal, so Department 2 has the best average productivity.