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men=c(-9.3,-8.1,-6.9,-6.9,-6.6,-5.3,-4.7,-4.2,-3.8,0.7,3.2,3.3,4.3,4.4,4.7,4.9,5.2,5.5,5.5,5.7,6.0,7.3,7.8,8.7,8.9)
fivenum(men);
[1] -9.3 -4.7  4.3  5.5  8.9
women=c(-7.0,-6.8,-6.1,-5.8,-5.7,-5.2,-4.7,-4.3,2.9,3.1,3.6,3.6,3.7,4.0,4.2,4.4,4.5,4.8,4.9,5.1,5.1,6.3,6.3,6.5,7.3)
fivenum(women);
[1] -7.0 -4.7  3.7  4.9  7.3

  1. The median is slightly higher in men than women who are willing to gamble after touching a crocodile.

  1. The overall pattern of the relationship between temperature and ice cream sales is a linear positive association. The relationship is moderately strong.
x=c(25,17,18,19,23,27,29,31,26,16,23,21,15,30,14,28,17,23,29);
y=c(123,96,83,91,134,153,167,184,98,87,113,121,83,133,91,79,111,108,137);
cov(x,y)
[1] 117.2895
cor(x,y)
[1] 0.7090636
  1. The data does support the theory that ice cream sales increase as the weather gets warmer. This is because there is a positive association which means as the temperature increases sales will also increase.
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