A hotel's monthly occupancy rate (measured as a percentage of rooms available) is reported as follows for a 10-month period:
|
Months
|
Sep
|
Oct
|
Nov
|
Dec
|
Jan
|
Feb
|
Mar
|
Apr
|
May
|
Jun
|
|
Occupancy (%)
|
74
|
82
|
70
|
90
|
88
|
74
|
64
|
69
|
58
|
65
|
(a) Produce a line graph of the hotel's occupancy rate per month.
(b) Fit a least squares trendline to the hotel occupancy rate data.
(c) What is the trend estimate of the hotel's occupancy rate for July and August? Comment on your findings.