subject
Mathematics, 04.05.2021 16:40 PrestonTB

A survey was conducted by an independent price checking company to check an advertiser's claim that it had lower prices than its competitors. The average weekly total, based on the prices of approximately 95 items, is given for this chain and for its competitor recorded during four consecutive weeks in a particular month. Week Advertiser (5) Competitor ($) 1 254.28 256.11 2 240.55 255.68 3 235.90 255.20 4 234.15 26115
Is there a significant difference in the average prices for these two different supermarket chains? (Use a = 0,05. Use tri-competitory)
State the null and alternativelypotheses

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
What are the sotions to the quadratic equation 9x^2=4
Answers: 2
question
Mathematics, 21.06.2019 20:30
Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.
Answers: 1
question
Mathematics, 21.06.2019 20:40
Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
Answers: 3
question
Mathematics, 21.06.2019 21:20
If the value of cos330°is√3/2 then find cos 165°.
Answers: 2
You know the right answer?
A survey was conducted by an independent price checking company to check an advertiser's claim that...
Questions
question
Mathematics, 25.06.2020 07:01
question
Mathematics, 25.06.2020 07:01
question
Business, 25.06.2020 07:01
Questions on the website: 13722363