2. In a quality control study in a knitting mill, a manager examines 10 randomly chosen sweaters a day for six weeks. The number of defects he finds in each group of 10 summarized in this frequency table below: (Note: To know the number of sweaters inspected just add all the frequencies). No. of 0 1 2 3 4 5 6 7 8 9 10 defects Frequenc 12 7 4 1 2 1 2 0 1 0 0 y Find the range, variance, and standard deviation of the number of defects for this data.
2. In a quality control study in a knitting mill, a manager examines 10 randomly chosen sweaters a day for six weeks. The number of defects he finds in each group of 10 summarized in this frequency table below: (Note: To know the number of sweaters inspected just add all the frequencies). No. of 0 1 2 3 4 5 6 7 8 9 10 defects Frequenc 12 7 4 1 2 1 2 0 1 0 0 y Find the range, variance, and standard deviation of the number of defects for this data.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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