Here are the gold medal times for the women’s 100-meter freestyle (swimming) in every other Summer Olympics: Gold Medal Times in the Women's 100-Meter Freestyle Swimming for Every Other Summer Olympics Year    Time (seconds) 1912    81.5 1924    73.6 1932    67.9 1952    66.6 1960    62.4 1968    61.0

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Here are the gold medal times for the women’s 100-meter freestyle (swimming) in every other Summer Olympics:

Gold Medal Times in the Women's 100-Meter Freestyle Swimming for Every Other Summer Olympics
Year    Time (seconds)
1912    81.5
1924    73.6
1932    67.9
1952    66.6
1960    62.4
1968    61.0
1976    55.65
1984    55.92
1992    54.64
2000    53.8
2008    53.4
1)Draw a scatter plot of the data.
2)Describe the relationship between the variables in the graph.
3)Find the correlation coefficient.
4)Find the least-squares regression line.
5)Find the estimated gold medal time for 1924 and for 1976. Are these estimates reliable? Are they reasonable?
6)Why are your answers in Question 5 different than the times given in the table?
7)Find the estimated gold medal time for 2022 and for 2200. Are these estimates reliable? Are they reasonable? 

 

I need answers for 5,6 and 7.

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