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Z-test is used when sample size is large (>30) and population standard deviation is known.
Statement: The forest department has embarked on an initiative to plant six crore saplings in the state.
Assumptions:
Statement:
It seems that I have become a hypochondriac as every now and then I feel that I have got infected by Coronavirus.
Statement: Indian Culture is getting forgotten and the country is losing its rich heritage.
Assumptions:
Statement:
STATEMENT : Opening a cyber cafe in Buxar will be a wastage.
ASSUMPTIONS: I People in Buxar are illiterate.
Statement : "The education board has decided to reduce the syllabus for this academic year."
Assumptions :
