# Quiz 1 - 1 Entered student score data from quiz 1 into an...

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1. Entered student score data from quiz 1 into an excel document (cells A1 –A25) a. Selected mega stat – descriptive statistics. b. c. Output: Descriptive statistics # 1 count 25 mean 84.68 sample variance 99.81 sample standard deviation 9.99 minimum 54 maximum 93 range 39 1st quartile 85.00 median 88.00 3rd quartile 91.00 interquartile range 6.00 mode 88.00 low extremes 2 low outliers 1 high outliers 0

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high extremes 0 Stem and Leaf plot for # 1 stem unit = 10 leaf unit = 1 Frequency Stem Leaf 1 5 4 2 6 0 9 2 7 8 8 12 8 2 5 5 7 8 8 8 8 8 8 9 9 8 9 0 1 1 1 2 2 3 3 25 d. Used data to answer problem questions 2. This is a binomial problem. Thus I completed the following steps: a. Opened Mega Stat – probability – discrete b. c. Output: Binomi al distribu tion 3 n 0.1 p cumulativ e X P(X) probability 0 0.7290 0 0.72900
1 0.2430 0 0.97200 2 0.0270 0 0.99900 3 0.0010 0 1.00000 1.0000 0 0.300 expecte d value 0.270 variance 0.520 standar d deviation d. Used data to find p(x=1) which is 0.243 3. This is a normal distribution problem, so I completed the following steps:

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Quiz 1 - 1 Entered student score data from quiz 1 into an...

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