1.1

1. Logic of uncertainty.

*3. individual.

5. Type answer

7. Type answer

9. Type answer

11. Type answer

13. Type answer

15. Type answer

17. Type answer

19. Type answer

21. Type answer

23. Type answer

25. Type answer

27. Type answer

29. Type answer

39 Type answer

40 Type answer

41 Type answer

42 Type answer

1.2

11. Type answer

13. Type answer

2.1

7

  1. Type answer

  2. Type answer

  3. Type answer

  4. Type answer

9

  1. Type answer

  2. Type answer

  3. Type answer

11

  1. Type answer

  2. Type answer

  3. Type answer

  4. Type answer

13

Never: Type answer

Rarely: Type answer

Sometimes: Type answer

Most of the time: Type answer

Always: Type answer

  1. Type answer

  2. Type answer

d e f

my_data <- c(125, 324, 552, 1257, 2518)

groups <- c("Never", "Rarely", "Sometimes", "Most", "Always")

barplot(my_data, main = "Wearing Seatbelts", names.arg = groups)

barplot(my_data, main = "Wearing Seatbelts", names.arg = groups, col = c("red","blue","green","yellow", "black"))

rel_freq <- my_data / sum(my_data)

barplot(rel_freq, main = "Wearing Seatbelts", names.arg = groups, col = c("red","blue","green","yellow","black"))

pie(my_data, labels = groups, main = "Wearing Seatbelts")

  1. Type answer

15

More then 1 hour: Type answer

Up to 1 hour: Type answer

A few time a week: Type answer

A few times a month: Type answer

Never: Type answer

  1. 23.7%

c d e

my_data <- c(377, 192, 132, 81, 243)

groups <- c("More 1", "Up to 1", "Few times week", "Few times month", "Never")

barplot(my_data, main = "Use the internet", names.arg = groups)

barplot(my_data, main = "Use the internet", names.arg = groups, col = c("red","blue","green","yellow", "black"))

rel_freq <- my_data / sum(my_data)

barplot(rel_freq, main = "Use the internet", names.arg = groups, col = c("red","blue","green","yellow","black"))

pie(my_data, labels = groups, main = "Use the internet")

  1. Type answer

2.2

9

  1. Type answer

  2. Type answer

  3. Type answer

  4. Type answer

  5. Type answer

  6. Type answer

10

  1. Type answer

  2. Type answer

  3. Type answer

  4. Type answer

11

  1. Type answer

  2. Type answer

  3. Type answer

  4. Type answer

  5. Type answer

  6. Type answer

  7. Type answer

12

  1. Type answer

  2. Skip this problem

  3. Type answer

  4. Type answer

  5. Type answer

13

  1. Type answer

  2. Type answer

  3. Type answer

  4. Type answer

14

  1. Type answer

  2. Type answer

  3. Type answer

  4. Type answer