Question: Q2. Refer to the variable Puzzle. (i) Construct stem-and-leaf displays for Vanilla and Strawberry flavour. Comment on the displays. (10 marks) (ii) Determine the relevant
Q2. Refer to the variable "Puzzle".
(i) Construct stem-and-leaf displays for Vanilla and Strawberry flavour. Comment on the displays. (10 marks)
(ii) Determine the relevant measures of central tendency and measures of dispersion for the distribution of the score on the puzzle for each flavour from the displays in part (i). (14 marks)
ID
Gender
Ice-cream
Video
Puzzle
1
female
chocolate
39
41
2
female
vanilla
42
41
3
male
chocolate
63
56
4
female
chocolate
39
51
5
male
chocolate
45
31
6
female
chocolate
40
41
7
male
vanilla
47
51
8
female
chocolate
44
48
9
male
vanilla
44
51
10
female
vanilla
53
61
11
male
vanilla
39
36
12
male
vanilla
39
46
13
female
vanilla
47
61
14
male
strawberry
42
56
15
male
strawberry
26
42
16
male
chocolate
36
36
17
female
vanilla
44
41
18
male
vanilla
44
36
19
female
chocolate
44
51
20
male
strawberry
61
61
21
male
vanilla
50
46
22
male
vanilla
56
46
23
female
chocolate
58
71
24
male
vanilla
47
46
25
female
vanilla
42
36
26
female
strawberry
61
51
27
male
vanilla
57
56
28
female
vanilla
50
41
29
male
chocolate
55
41
30
female
strawberry
34
51
31
female
vanilla
42
56
32
female
strawberry
66
56
33
female
chocolate
54
56
34
female
strawberry
55
66
35
female
chocolate
50
51
36
female
chocolate
35
51
37
female
chocolate
39
51
38
male
chocolate
31
56
39
female
strawberry
61
66
40
male
chocolate
50
41
41
male
vanilla
55
56
42
female
vanilla
44
56
43
female
chocolate
42
46
44
female
chocolate
34
46
45
female
chocolate
29
26
46
female
chocolate
34
41
47
female
chocolate
33
41
48
male
vanilla
50
51
49
male
strawberry
49
47
50
male
vanilla
53
61
ID
Gender
Ice-cream
Video
Puzzle
51
female
strawberry
31
39
52
female
chocolate
53
66
53
male
vanilla
39
31
54
female
chocolate
50
56
55
female
vanilla
44
61
56
male
vanilla
58
51
57
female
vanilla
66
56
58
male
vanilla
44
41
59
female
vanilla
55
71
60
male
vanilla
63
61
61
female
strawberry
67
66
62
male
strawberry
63
66
63
female
chocolate
56
51
64
female
strawberry
58
36
65
female
vanilla
42
56
66
female
vanilla
50
51
67
male
chocolate
33
32
68
male
vanilla
63
66
69
female
chocolate
40
31
70
male
chocolate
47
57
71
female
vanilla
58
66
72
female
vanilla
47
46
73
female
vanilla
39
56
74
female
vanilla
51
58
75
male
vanilla
53
61
76
male
strawberry
50
56
77
female
chocolate
44
66
78
female
vanilla
53
41
79
female
vanilla
50
51
80
male
strawberry
66
66
81
male
chocolate
65
44
82
female
strawberry
69
61
83
female
vanilla
55
31
84
male
vanilla
58
51
85
male
vanilla
53
46
86
male
strawberry
58
31
87
female
vanilla
50
56
88
female
strawberry
69
66
89
female
chocolate
51
33
90
female
strawberry
50
52
91
female
strawberry
47
46
92
female
strawberry
63
61
93
female
strawberry
58
66
94
male
strawberry
61
56
95
male
strawberry
61
71
96
female
strawberry
58
56
97
male
strawberry
58
61
98
female
chocolate
53
37
99
female
strawberry
66
61
100
female
strawberry
69
71
ID
Gender
Ice-cream
Video
Puzzle
101
female
strawberry
50
56
102
male
strawberry
53
56
103
male
strawberry
64
61
104
male
strawberry
55
46
105
female
vanilla
44
56
106
female
vanilla
42
41
107
male
chocolate
42
26
108
male
vanilla
36
36
109
female
vanilla
42
41
110
female
vanilla
54
61
111
female
chocolate
47
36
112
female
vanilla
55
61
113
male
vanilla
63
61
114
male
strawberry
55
61
115
male
chocolate
50
56
116
female
vanilla
50
56
117
male
strawberry
42
56
118
female
vanilla
58
61
119
female
chocolate
50
43
120
female
strawberry
50
51
121
female
vanilla
63
61
122
female
vanilla
53
66
123
male
strawberry
63
66
124
female
chocolate
42
41
125
female
chocolate
59
56
126
male
vanilla
47
51
127
male
strawberry
55
56
128
male
strawberry
47
41
129
female
chocolate
47
51
130
female
strawberry
55
46
131
female
strawberry
46
66
132
male
vanilla
69
66
133
male
vanilla
34
31
134
male
chocolate
34
46
135
female
chocolate
54
66
136
male
vanilla
63
51
137
female
strawberry
53
61
138
female
vanilla
50
51
139
female
vanilla
55
71
140
male
vanilla
50
26
141
male
strawberry
53
56
142
female
vanilla
39
51
143
male
vanilla
72
66
144
male
strawberry
61
66
145
female
vanilla
36
46
146
male
strawberry
63
66
147
female
chocolate
53
61
148
female
vanilla
47
61
149
male
chocolate
66
46
150
male
vanilla
72
31
ID
Gender
Ice-cream
Video
Puzzle
151
female
vanilla
48
46
152
female
strawberry
58
61
153
male
vanilla
39
51
154
male
strawberry
61
66
155
male
vanilla
39
51
156
female
vanilla
61
61
157
male
vanilla
74
66
158
female
vanilla
53
51
159
male
strawberry
49
61
160
female
vanilla
50
61
161
female
chocolate
61
61
162
female
vanilla
61
56
163
female
chocolate
58
56
164
male
vanilla
39
46
165
male
chocolate
61
36
166
female
vanilla
61
51
167
male
vanilla
66
41
168
male
vanilla
55
51
169
male
chocolate
69
46
170
male
strawberry
69
66
171
male
vanilla
55
66
172
male
vanilla
53
61
173
female
chocolate
63
51
174
male
vanilla
66
56
175
female
strawberry
50
41
176
male
vanilla
42
51
177
male
vanilla
58
51
178
male
vanilla
58
46
179
female
vanilla
50
56
180
female
strawberry
58
71
181
male
vanilla
58
61
182
female
vanilla
44
51
183
male
vanilla
55
71
184
female
vanilla
55
56
185
male
vanilla
58
41
186
female
vanilla
55
41
187
female
vanilla
55
52
188
female
strawberry
55
61
189
male
vanilla
53
46
190
female
vanilla
58
46
191
female
strawberry
48
61
192
male
strawberry
66
71
193
female
vanilla
39
51
194
female
strawberry
61
61
195
male
vanilla
58
56
196
male
strawberry
39
46
197
male
strawberry
36
61
198
female
strawberry
63
31
199
male
strawberry
61
61
200
male
vanilla
66
66
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