D This distribution has a mean of 11. O 0 8 O 11 12 13 14 15 16 17 18 In each of the scenarios below, we make changes to the distribution. Without doing any calculations, determine if the mean and/or SD changes. D Question 1 3 pts Add 9 and 13 to the distribution. OO O O 10 11 12 13 14 15 16 17 18 O O O 8 10 11 12 13 14 15 16 17 1 Which one of the following best describes how the changes affect the mean and standard deviation? The mean does not change. The standard deviation does not change. O The mean does not change. The standard deviation is smaller. O The mean does not change. The standard deviation is larger. O The mean changes. The standard deviation does not change. O The mean changes. The standard deviation is smaller. O The mean changes. The standard deviation is larger.D Question 2 3 pts Delete 10 and delete 12 from the data set. O O O . 8 O 6 7 8 9 10 11 12 13 14 15 16 17 18 O O . 8 O 5 8 9 10 11 12 13 14 15 16 17 18 Which one of the following best describes how the changes affect the mean and standard deviation? O The mean does not change. The standard deviation does not change. O The mean does not change. The standard deviation is smaller. O The mean does not change. The standard deviation is larger. O The mean changes. The standard deviation does not change. O The mean changes. The standard deviation is smaller. The mean changes. The standard deviation is larger.Question 3 3 pts Add two data points at 11. 000. Ii. 0: o 456789101112l3115161718 000. 0*. o: o 4 5 6 7 s 9 10 11 1213 14 15 16 17 18 Which one of the following best describes how the changes affect the mean and standard deviation? 0 The mean does not change. The standard deviation does not change. 0 The mean does not change. The standard deviation is smaller. 0 The mean does not change. The standard deviation is larger. 0 The mean changes. The standard deviation does not change. 0 The mean changes. The standard deviation is smaller. 0 The mean changes. The standard deviation is larger. Question 4 3 pts Move all data points one unit to the left. E o o 8 o l I A I T l' I I I I 11 12 13 14 15 16 1? 18 999..$.98..9 I 4 5 6 7 B 9 1011121314151611'18 Which one of the following best describes how the changes affect the mean and standard deviation? 0 The mean does not change. The standard deviation does not change. 0 The mean does not change. The standard deviation is smaller. 0 The mean does not change. The standard deviation is larger. 0 The mean changes. The standard deviation does not change. 0 The mean changes. The standard deviation is smaller. 0 The mean changes. The standard deviation is larger