Question

avalanche outdoor goods rents sporting goods. dale rice is examining the sales records for how many boats they have rented in the last 9 weeks, shown in the graph below.
number of boats rented per week
on average, how many boats were rented per week from the beginning of week 4 to the end of week 9?
______ boats
using the average calculated in the previous question, predict how many boats will be rented over the next 11 weeks. round your answer to the nearest whole number.
______ boats

Explanation:

Step1: Extract data from Week 4-9

From the graph: Week4=0, Week5=2, Week6=1, Week7=1, Week8=18, Week9=4

Step2: Calculate sum of the values

$0 + 2 + 1 + 1 + 18 + 4 = 26$

Step3: Compute average (6 weeks total)

$\text{Average} = \frac{26}{6} \approx 4.333$

Step4: Predict 11-week total

$\text{Total} = 4.333 \times 11 \approx 47.663$

Step5: Round to nearest whole number

Round $47.663$ to 48

Answer:

Average from Week4-9: $\approx 4.33$ boats
Predicted 11-week total: 48 boats