Question: 1. Estimate your multiple regression model from 1.5 by maximum likelihood (i.e., a generalized linear model) rather than by ordinary least squares as you did

1. Estimate your multiple regression model from 1.5 by maximum likelihood (i.e., a generalized linear model) rather than by ordinary least squares as you did before. What are the differences, if any, between your model in 1.5 and this version?

2. What probability distribution did you use to model your response variable, (ascorbic acid content)? Why do you expect this model to workthat is, what about this system led you to believe your model choice was appropriate? Explain your choice in a paragraph or so of text without referring to this particular data set. 3. Does the data from this data set support your theoretical choice? Present figures or summary statistics that support your argument.

Cult

Date

HeadWt

VitC

1

c39

d16

2.5

51

2

c39

d16

2.2

55

3

c39

d16

3.1

45

4

c39

d16

4.3

42

5

c39

d16

2.5

53

6

c39

d16

4.3

50

7

c39

d16

3.8

50

8

c39

d16

4.3

52

9

c39

d16

1.7

56

10

c39

d16

3.1

49

11

c39

d20

3

65

12

c39

d20

2.8

52

13

c39

d20

2.8

41

14

c39

d20

2.7

51

15

c39

d20

2.6

41

16

c39

d20

2.8

45

17

c39

d20

2.6

51

18

c39

d20

2.6

45

19

c39

d20

2.6

61

20

c39

d20

3.5

42

21

c39

d21

2.2

54

22

c39

d21

1.8

59

23

c39

d21

1.6

66

24

c39

d21

2.1

54

25

c39

d21

3.3

45

26

c39

d21

3.8

49

27

c39

d21

3.2

49

28

c39

d21

3.6

55

29

c39

d21

4.2

49

30

c39

d21

1.6

68

31

c52

d16

2

58

32

c52

d16

2.4

55

33

c52

d16

1.9

67

34

c52

d16

2.8

61

35

c52

d16

1.7

67

36

c52

d16

3.2

68

37

c52

d16

2

58

38

c52

d16

2.2

63

39

c52

d16

2.2

56

40

c52

d16

2.2

72

41

c52

d20

4

52

42

c52

d20

2.8

70

43

c52

d20

3.1

57

44

c52

d20

4.2

58

45

c52

d20

3.7

47

46

c52

d20

3

56

47

c52

d20

2.2

72

48

c52

d20

2.3

63

49

c52

d20

3.8

54

50

c52

d20

2

60

51

c52

d21

1.5

78

52

c52

d21

1.4

75

53

c52

d21

1.7

70

54

c52

d21

1.3

84

55

c52

d21

1.7

71

56

c52

d21

1.6

72

57

c52

d21

1.4

62

58

c52

d21

1

68

59

c52

d21

1.5

66

60

c52

d21

1.6

72

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