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Scuba divers have maximum dive times they cannot exceed when going to different depths. The data...

Scuba divers have maximum dive times they cannot exceed when going to different depths. The data in Table show different depth with the maximum dive times in minutes.

X (depth in feet) Y (maximum dive time in minutes)

50

60

70

80

90

100

80

55

45

35

25

22

1. Find the linear correlation coefficient?

2. Is the linear correlation(positive or negative)?

3. Find the equation of the least squares regression line.

4. Using the equation in part(c) what would be the dive time to reach 65 feet?

5. Using the equation in part(c) how far could you dive in 30 minutes?

Math   Statistics-And-Probability   
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