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

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 31PPS

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Question

Due to the pandemic, the average price of pork jumped to Php375 per kilo with a standard
deviation of Php20. At the slight increase in prices, the Department of Trade and Industry
(DTI) sends out a team of enforcers to apprehend erring pork vendors. Last week, the average
price in 10 days is Php405. At 1% level of significance, should DTI send out enforcers?
What test should be applied?
A Right tailed t test
(B) Right tailed z test
Two tailed t test
(D) Two tailed z test

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