38. The arithmetic mean and standard deviation of a series of 20 items were esalated by a student as 20 cm and 5 cm respectively. Wrile calculating, an item 13 was nisread as 30. Find the correct arithmetic mean and stanslard deviation mi.
38. The arithmetic mean and standard deviation of a series of 20 items were esalated by a student as 20 cm and 5 cm respectively. Wrile calculating, an item 13 was nisread as 30. Find the correct arithmetic mean and stanslard deviation mi.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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![38. The arithmetic mean and standard deviation of a series of 20 tems were
asalated by a student as 20 cm and 5 cm respectively. Wrile calculating, an item 13 was
nisread as 30. Find the correct arithmetic mean and stansard geviation](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2e510797-45d5-4d32-ba2a-f00acbea0cb4%2Fb6939913-fd89-4c46-b6fb-a687c17c3c3f%2Fb3gusu_processed.jpeg&w=3840&q=75)
Transcribed Image Text:38. The arithmetic mean and standard deviation of a series of 20 tems were
asalated by a student as 20 cm and 5 cm respectively. Wrile calculating, an item 13 was
nisread as 30. Find the correct arithmetic mean and stansard geviation
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