Module 1 Descriptive Statistics
The time spent in surgery and the cost of surgery was recorded for six patients. The results and
scatter plot are shown below.
Time
(minutes)
14
80
84
118
149
192
Cost
(5)
1,510
6,178
5,912
9,184
8,855
11,023
Cost (dollars)
10000
8000
6000
4000
2000
♦
50
●
100
Time (minutes)
150
2. Calculate the equation of the least squares line relating cost to time. (Indicate slope to the
nearest tenth and y-intercept to the nearest whole number.)
6. She
pla
7.Calculate the equation of the least squares line relating cost to time