b) 400 labourers were selected at random from a certain district. Their mean income was 160.5 rupees per day, with standard deviation 35.2 rupees. Set up 95% confidence limit within which the income of the labour community of district is expected to lie
b) 400 labourers were selected at random from a certain district. Their mean income was 160.5 rupees per day, with standard deviation 35.2 rupees. Set up 95% confidence limit within which the income of the labour community of district is expected to lie
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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