5. On this assignment, round all answers (when necessary) to exactly three decimal places. The numbers of construction workers for various projects are 32 20 25 52 16 21 28 35 23 41 46 17 23 27 11 60 The standard deviation of this data is

5. On this assignment, round all answers (when necessary) to exactly three decimal places. The numbers of construction workers for various projects are 32 20 25 52 16 21 28 35 23 41 46 17 23 27 11 60 The standard deviation of this data is

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section: Chapter Questions

Problem 22SGR

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Question

5. On this assignment, round all answers (when necessary) to exactly three decimal places.
The numbers of construction workers for various projects are 32 20 25 52 16 21 28 35 23 41 46 17 23 27 11 60

The standard deviation of this data is

Expert Solution

Step 1

Solution: Given data

x	dx=x-A=x-30	dx2
32	2	4
20	-10	100
25	-5	25
52	22	484
16	-14	196
21	-9	81
28	-2	4
35	5	25
23	-7	49
41	11	121
46	16	256
17	-13	169
23	-7	49
27	-3	9
11	-19	361
60	30	900
---	---	---
∑x=477	∑(dx)=-3	∑(dx)2=2833