Introduction to the Practice of Statistics 9th edition by David S. Moore Test bank
231.Is the distribution shown below unimodal?
A)No
B)Yes
Answer Key
1.A) Categorical, B) Quantitative, C) Quantitative, D) Categorical
2.A
3.C
4.D
5.A) Categorical, B) Quantitative, C) Categorical, D) Quantitative
6.A
7.C
8.A
9.B
10.A
11.C
12.B
13.A
14.B
15.A
16.A
17.A
18.B
19.C
20.C
21.B
22.C
23.A
24.D
25.B
26.D
27.D
28.C
29.A
30.A
31.D
32.A
33.C
34.C
35.D
36.A
37.C
38.A
39.C
40.B
41.A
42.A
43.A
44.D
45.B
46.C
47.D
48.C
49.A) Categorical, B) Categorical, C) Quantitative, D) Categorical
50.C
51.C
52.C
53.C
54.A, D, E
55.B
56.C
57.D
58.D
59.B, C
60.D
61.A) True, B) False, C) False, D) True
62.C
63.C
64.B
65.B
66.D
67.C
68.A
69.A) False, B) False, C) True, D) False
70.D
71.D
72.B, C
73.E
74.B
75.E
76.E
77.C
78.C
79.C
80.B
81.B
82.B
83.D
84.A
85.A
86.A
87.A
88.B
89.C
90.B
91.B
92.D
93.A) Quantitative, B) Quantitative, C) Quantitative, D) Quantitative
94.D
95.D
96.B
97.B
98.A
99.C
100.A
101.B
102.C
103.B
104.B
105.C
106.C
107.B
108.C
109.D
110.A) Categorical, B) Quantitative, C) Quantitative, D) Categorical
111.C
112.B
113.A
114.B
115.A) Can't tell, B) Yes, C) Can't tell, D) Yes
116.B
117.C
118.A
119.C
120.D
121.B
122.B
123.D
124.B
125.B
126.A
127.D
128.B
129.A) True, B) True, C) False, D) False
130.D
131.C
132.C
133.B
134.C
135.C
136.D
137.B
138.C
139.D
140.D
141.A
142.D
143.D
144.B
145.F
146.B
147.C
148.D
149.$48,000
150.The mean is probably higher than the median.
151.$39,000
152.$21,500
153.A) The median will increase by $3000.
B) The interquartile range remains unchanged.
C) The standard deviation remains unchanged.
154.A) $97,000, B) $35,000, C) $20,000, D) $45,000
155.A) Can't tell, B) Yes, C) No, D) No
156.Min = $35,000, Q1 = $45,000, M = $55,000, Q3 = $65,000, Max = $97,000
157.C
158.B
159.C
160.A
161.A
162.E
163.B
164.A
165.D
166.C
167.C
168.C
169.B
170.D
171.C
172.A
173.B
174.D
175.B
176.D
177.C
178.A
179.A
180.D
181.A) True, B) True, C) True, D) True
182.A
183.B
184.C
185.B
186.D
187.D
188.B
189.A) True, B) True, C) False, D) True
190.C
191.B
192.D
193.C
194.D
195.D
196.C
197.D
198.D
199.A
200.B
201.C
202.D
203.A
204.A
205.A
206.B
207.A
208.A
209.B
210.A
211.C
212.B
213.E
214.D
215.B
216.A
217.B
218.C
219.B
220.C
221.E
222.C
223.A
224.C
225.D
226.0.13%
227.2 hours and 13.5 minutes
228.2 hours and 25.6 minutes
229.0.0062
230.63.2 ounces and 64.8 ounces
231.A