1. Based on your data set, is the average age of the drivers involved in a fatal accident is significantly MORE THAN the average age of the drivers who involved in a non-fatal accident? Test at the 10% level of significance. Note that SPSS only performs a 2-sided test.
2. Provide possible reasons why you should expect to find a significant statistical difference between the ages of these 2 groups.
3. Based on your findings, should the insurance company charge higher premiums based on the collision severity? Explain your reasoning.

Collision.Severity

2

2

2

2

2

2

2

2

2

2

2

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

1

2

2

2

2

2

2

2

2

2

2

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

1

2

2

2

2

2

2

2

2

2

2

2

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

There are 12/600 = number of 1's

there are 588/600 = number of 2's

Person of Age

29

74

45

56

25

75

63

45

47

31

46

39

40

52

48

36

68

31

36

68

54

16

30

3

8

34

65

67

60

22

34

5

48

36

50

75

17

35

32

30

67

72

37

36

78

57

16

16

34

75

20

71

51

39

65

23

42

18

14

24

25

44

33

63

19

50

24

22

17

68

59

18

47

36

81

25

25

58

51

19

18

77

64

59

17

64

37

36

51

50

59

31

48

22

25

54

82

57

66

36

33

32

85

61

6

69

2

58

20

54

43

43

31

21

59

45

5

53

66

22

4

20

32

38

31

56

55

23

35

37

63

58

21

7

25

29

31

62

48

34

25

1

51

23

48

20

56

53

36

77

35

23

22

34

30

36

60

35

66

27

17

46

21

37

26

27

94

27

26

22

86

61

47

18

54

24

9

50

24

37

90

60

67

9

42

6

5

58

56

17

62

61

47

43

15

27

35

19

67

35

51

71

23

33

33

21

25

51

44

26

30

43

23

42

70

36

50

35

26

31

69

23

82

35

15

52

30

21

5

8

54

27

43

33

53

17

53

65

30

8

18

6

23

68

9

32

5

13

45

65

17

59

14

57

2

62

35

68

7

55

20

37

42

26

27

23

42

23

24

55

30

88

8

40

22

32

56

29

23

17

26

58

46

73

26

55

78

17

35

71

28

27

45

16

68

13

29

27

12

53

64

60

34

43

40

29

23

17

18

47

26

45

27

63

16

22

38

54

25

5

55

45

62

45

44

39

19

4

59

42

42

42

52

82

22

37

70

46

27

85

41

38

23

51

5

26

25

47

57

59

25

30

27

62

35

70

48

48

62

29

50

37

64

25

47

38

15

42

60

67

30

72

52

22

88

18

20

64

36

57

47

23

41

16

54

57

40

39

67

27

17

61

43

40

7

65

46

55

51

70

35

58

47

45

41

60

84

34

87

2

51

36

83

62

6

48

59

23

46

34

13

55

48

26

22

24

19

50

3

68

61

65

79

63

72

38

1

30

22

39

53

58

53

22

28

47

23

30

68

27

60

52

79

50

20

57

7

66

39

73

60

54

27

54

35

26

38

8

57

35

57

36

30

41

1

39

21

5

31

43

11

3

68

29

35

58

36

40

17

22

73

25

76

76

29

19

70

64

20

24

62

32

17

66

58

67

33

19

51

60

30

71

41

18

41

38

2

27

59

20

49

44

29

45

21

68

56

59

24

29

80

57

49

19

29

30

29

48

40

50

21

20

61

25

31

37

39

75

58

14

29

64

18

44

46

21

58

35

73

27

41

3

35

23

49

38

35

10

21

12

35

18

74

55

58

54

19

56

42

73

67

44

17

9

39

50

18

29

22

58

58

17

22

34

53

31

71

67

28

49