connect Elementary Statistics: A Step By-Step Appr MATH Hosted by ALEKS Corp. Ch
ID: 3047967 • Letter: C
Question
connect Elementary Statistics: A Step By-Step Appr MATH Hosted by ALEKS Corp. Ch 3 Homework (24 questions) Next Previous 11 12 13 14 15. 16 | 17 18 3 2 Section Exercise 14 Question 13 of 18 (1 point) View problem in a pop-up Qu A sample of 15 drivers shows the time that they spent (in minutes) stopped in rush-hour traffic L on a specific snowy day last winter. Round your answers to one decimal place Check 52 73 60 51 48 46 74 65 57 58 61 70 71 53 59 Solv Guided S Show Exa Ask My Inst Link to Text Dewnload data Part 1 Find the range. The range is 28 Part 2 Find the variance. The variance is 82.8 Save for Late Part 3 out of 3 Find the standard deviation Submit Assignment The standard deviation is MATH 1342 Spring 2018-CAN 5755 humanExplanation / Answer
Ans:
Vraiance=1159.73/14=82.8
standard deviation=sqrt(82.8)=9.1
xi (xi-59.87)^2 1 52 61.89 2 73 172.48 3 60 0.02 4 51 78.62 5 48 140.83 6 46 192.29 7 74 199.74 8 65 26.35 9 57 8.22 10 58 3.49 11 61 1.28 12 70 102.68 13 71 123.94 14 53 47.16 15 59 0.75 Total 898 1159.73 mean= 59.87 82.8 variance maximum= 74 9.1 standard dev. minimum= 46 Range= 28Related Questions
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