# 8.3 Describing and Analyzing Data

## Quiz by Meghan Niswander

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19 questions
• Q1
Find the mean of the following data set. Assume the data set is a sample. Round your answer to the nearest hundredth, if necessary. 49,50,50,51,45,45,48,44,38,55,42
47
48
49
45
120s
• Q2
Find the median of the following data set. Assume the data set is a sample. 14,27,10,16,20,17,17,23,22,22,21
22
19
20
17
120s
• Q3
Identify whether the following data set is unimodal, bimodal, multimodal, or has no mode. Assume the data set is a sample and find the modes, if any exist. 16,23,24,29,12,24,25,18,22,19,19
Multimodal; 19, 22, 24
Unimodal; 24
Bimodal; 19,24
No Mode
120s
• Q4
Find the range of the following data set. Assume the data set is a sample. 19,36,27,38,15,27,28,21,33,22,22
20
26.18
23
22
120s
• Q5
Find the standard deviation of the following data set. Assume the data set is a sample. Round your answer to the nearest hundredth, if necessary. 46,32,32,33,27,27,43,26,20,48,24
10
9.3
8.75
9
300s
• Q6
Find the median of the following data set. Assume the data set is a sample. 11,24,7,13,18,14,26,20,19,6,13,15
14.5
13.5
14
15
120s
• Q7
Identify whether the following data set is unimodal, bimodal, multimodal, or has no mode. Assume the data set is a sample and find the modes, if any exist. 31,33,26,44,27,33,40,33,38,36,34
Multimodal; 31, 33, 38
Unimodal; 33
Bimodal; 33, 38
No Mode
120s
• Q8
Identify whether the following data set is unimodal, bimodal, multimodal, or has no mode. Assume the data set is a sample and find the modes, if any exist. 26,26,26,26,26,26
No Mode
Unimodal; 26
Multimodal; 26
Bimodal; 26
60s
• Q9
Identify whether the following data set is unimodal, bimodal, multimodal, or has no mode. Assume the data set is a sample and find the modes, if any exist. 17,10,22,28,20,18,22,17,11,28,15
Multimodal; 17,22,28
Bimodal; 17, 28
Unimodal; 22
No Mode
120s
• Q10
Find the mean of the data. Round your answer to the nearest hundredth, if necessary. 180, 65, 285, 370, 370, 65, 124, 316, 285, 129, 190, 228
217.25
228
180
370
120s
• Q11
Find the median of the data. 172, 57, 277, 362, 362, 57, 116, 308, 277, 121, 182, 220
220
362
277
201
120s
• Q12
Find the range of the data. 178, 63, 283, 368, 368, 63, 122, 314, 283, 127, 188, 534
188
368
471
283
120s
• Q13
Dwayne had a test average of 82.8 last semester. His first four test grades were 88, 77, 78 , and 86. Find his score on the fifth test.
77
86
85
84
300s
• Q14
Identify whether the following data set is unimodal, bimodal, multimodal, or has no mode. Assume the data set is a sample and find the modes, if any exist.19,26,27,32,15,27,28,21,25,22,22
Bimodal; 22, 27
No Mode
Unimodal; 22
Multimodal; 22, 27, 28
120s
• Q15
Find the range of the following data set. Assume the data set is a sample.19,36,27,38,15,27,28,21,33,22,22
23
19
27
22
120s

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