A fruit juice franchise company has a policy of opening a newfruit juice stand only on those areas that have a meanhousehold income of at least P49,500 a month. The companyis currently considering an area in which to open a new fruitjuice stand. The company's research department took asample of 25 households from this area and found that themean monthly income of these households is P51,500. Using5% significance level, would you conclude that the companyshould open a fruit juice stand in the area?

Researchers employ inferential statistics to draw conclusion about a claim or a theory.

Answered: A fruit juice franchise company has a…

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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In a winter of an epidemic ﬂu, the parents of 2000 babies were surveyed by researchers at a well-known pharmaceutical company to determine if the company’s new medicine was effective after two days. Among 120 babies who had the ﬂu and were given the medicine, 29 were cured within two days. Among 280 babies who had the ﬂu but were not given the medicine, 56 recovered within two days. Is there any signiﬁcant indication that supports the company’s claim of the effectiveness of the medicine? Use a significance level of 0.10 A. What type of Hypothesis Testing should be used? B. What are the null and alternative hypothesis? C. What are the significance level and type of test? D. What is the critical value? E. What is the standardized test statistic? F. What is the Statistical Decision?
A market research study hopes to determine if the average sales of house entertainment units will increase in a test market with the introduction of a new package. Sales recorded in a 32-day period for the old package and a 30-day period for the new package were as follows: What can be concluded at 2.5% significance level? Use the Ten Step Process. Level of Significance:___________________________________________________ Test Statistic:_________________________________________________________ Formula:_____________________________________________________________
A market research study hopes to determine if the average sales of house entertainment units will increase in a test market with the introduction of a new package. Sales recorded in a 32-day period for the old package and a 30-day period for the new package were as follows What can be concluded at 2.5% significance level? Use the Ten Step Process. Ho:_________________________________________________________________ Ha:_________________________________________________________________ Type of Test:_________________________________________________________
Since an instant replay system for tennis was introduced at a major tournament, men challenged 1403 referee calls, with the result that 417 of the calls were overturned. Women challenged 741 refereecalls, and 215 of the calls were overturned. Use a 0.01 significance level to test the claim that men and women have equal success in challenging calls.
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Since an instant replay system for tennis was introduced at a major tournament, men challenged 1431 referee calls, with the result that 412 of the calls were overturned. Women challenged 772 referee calls, and 210 of the calls were overturned. Use a 0.01 significance level to test the claim that men and women have equal success in challenging calls.
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