# 8.3 Describing and Analyzing Data

## Quiz by Meghan Niswander

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19 questions

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- Q1Find the mean of the following data set. Assume the data set is a sample. Round your answer to the nearest hundredth, if necessary. 49,50,50,51,45,45,48,44,38,55,4247484945120s
- Q2Find the median of the following data set. Assume the data set is a sample. 14,27,10,16,20,17,17,23,22,22,2122192017120s
- Q3Identify 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. 16,23,24,29,12,24,25,18,22,19,19Multimodal; 19, 22, 24Unimodal; 24Bimodal; 19,24No Mode120s
- Q4Find the range of the following data set. Assume the data set is a sample. 19,36,27,38,15,27,28,21,33,22,222026.182322120s
- Q5Find the standard deviation of the following data set. Assume the data set is a sample. Round your answer to the nearest hundredth, if necessary. 46,32,32,33,27,27,43,26,20,48,24109.38.759300s
- Q6Find the median of the following data set. Assume the data set is a sample. 11,24,7,13,18,14,26,20,19,6,13,1514.513.51415120s
- Q7Identify 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. 31,33,26,44,27,33,40,33,38,36,34Multimodal; 31, 33, 38Unimodal; 33Bimodal; 33, 38No Mode120s
- Q8Identify 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. 26,26,26,26,26,26No ModeUnimodal; 26Multimodal; 26Bimodal; 2660s
- Q9Identify 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. 17,10,22,28,20,18,22,17,11,28,15Multimodal; 17,22,28Bimodal; 17, 28Unimodal; 22No Mode120s
- Q10Find 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, 228217.25228180370120s
- Q11Find the median of the data. 172, 57, 277, 362, 362, 57, 116, 308, 277, 121, 182, 220220362277201120s
- Q12Find the range of the data. 178, 63, 283, 368, 368, 63, 122, 314, 283, 127, 188, 534188368471283120s
- Q13Dwayne 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.77868584300s
- Q14Identify 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.19,26,27,32,15,27,28,21,25,22,22Bimodal; 22, 27No ModeUnimodal; 22Multimodal; 22, 27, 28120s
- Q15Find the range of the following data set. Assume the data set is a sample.19,36,27,38,15,27,28,21,33,22,2223192722120s