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**mat** I have to find how long it takes for boiling water to reach 70 degrees celcius i have collected data and put it in excel

time (min) temp (celcius)

0 101

0.5 96

1 93

1.5 88

2 85

2.5 82

3 80

3.5 77

4 75

4.5 73

5 71

5.5 70

6.5 69.5

Excel got the equation line of best fit y=-5.01852x plus 96.824

R squared=0.9433

what do these mean?

Is the line of best fit accurate and is there enough data to be based on a conclusion?

Is this graph appropiate for a linear model?

What do I write in the conclusion?