Assignment 2 Math 157 Summer 2017

Assignment 2. Math 157. Summer 2017. Question 1. Make a frequency distribution of the data set using five classes. 13 15 15 8 16 20 28 19 18 15. 21 23 30 17 10 16 15 16 20 15. Question 2. Six test scores are given. The first 5 test scores are 15% of the final grade, and the last test score is 25% of the final grade. Find the weighted mean of the test scores. 78 72 86 91 87 80. Question 3. The ages of the Supreme Court justices as of January 27, 2010 are listed. Find the (a). range and (b) the population standard deviation of the data. 55 89 73 73 61 76 71 59 55. Question 4. For the following data, find (a) Find the five-number summary of the data set. (b) Find the interquartile range. 53 57 60 57 54 53 54 53 54 42 48 53 47. 47 50 48 42 42 54 54 60. Question 5. The state of Virginia's license plates have three letters followed by four digits. Assuming that any letter or digit can be used, how many different license plates are possible?

Assignment 2 Math 157 Summer 2017 Question 1 Make a frequency distribution of the data set using five classes. 13 15 15 8 16 20 28 19 18 15

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