Introduction to Statistics and Data Analysis
5th Edition
ISBN: 9781305115347
Author: Roxy Peck; Chris Olsen; Jay L. Devore
Publisher: Brooks Cole
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Textbook Question
Chapter 10.3, Problem 23E
Use the definition of the P-value to explain the following:
- a. Why H0 would be rejected if P-value = 0.0003
- b. Why H0 would not be rejected if P-value = 0.350
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Chapter 10 Solutions
Introduction to Statistics and Data Analysis
Ch. 10.1 - Explain why the statement x=50 is not a legitimate...Ch. 10.1 - For the following pairs, indicate which do not...Ch. 10.1 - To determine whether the pipe welds in a nuclear...Ch. 10.1 - Prob. 4ECh. 10.1 - Prob. 5ECh. 10.1 - Prob. 6ECh. 10.1 - Prob. 7ECh. 10.1 - A researcher speculates that because of...Ch. 10.1 - A county commissioner must vote on a resolution...Ch. 10.1 - A cruise ship charges passengers 3 for a can of...
Ch. 10.1 - Prob. 11ECh. 10.2 - Prob. 12ECh. 10.2 - Prob. 13ECh. 10.2 - Medical personnel are required to report suspected...Ch. 10.2 - Prob. 15ECh. 10.2 - A television manufacturer claims that (at least)...Ch. 10.2 - A manufacturer of hand-held calculators receives...Ch. 10.2 - Water specimens are taken from water used for...Ch. 10.2 - Suppose that for a particular hypothesis test, the...Ch. 10.2 - Suppose that you arc an inspector for the Fish and...Ch. 10.2 - Prob. 21ECh. 10.2 - An automobile manufacturer is considering using...Ch. 10.3 - Use the definition of the P-value to explain the...Ch. 10.3 - For which of the following P-values will the null...Ch. 10.3 - Prob. 25ECh. 10.3 - Let p denote the proportion of students at a...Ch. 10.3 - Assuming a random sample from a large population,...Ch. 10.3 - Prob. 28ECh. 10.3 - In a survey of 1000 women age 22 to 35 who work...Ch. 10.3 - The paper Debt Literacy, Financial Experiences and...Ch. 10.3 - "Most Like it Hot" is the title of a press release...Ch. 10.3 - In a survey of 1005 adult Americans, 46% indicated...Ch. 10.3 - Prob. 33ECh. 10.3 - Prob. 34ECh. 10.3 - Prob. 35ECh. 10.3 - Prob. 36ECh. 10.3 - Prob. 37ECh. 10.3 - The article Cops Get Screened for Digital Dirt...Ch. 10.3 - Refer back to the previous exercise. The actual...Ch. 10.3 - The report 2007 Electronic Monitoring ...Ch. 10.3 - Prob. 41ECh. 10.4 - Prob. 42ECh. 10.4 - Give as much information as you can about the...Ch. 10.4 - Paint used to paint lines on roads must reflect...Ch. 10.4 - A certain pen has been designed so that actual...Ch. 10.4 - Prob. 46ECh. 10.4 - The paper Playing Active Video Games Increases...Ch. 10.4 - Prob. 48ECh. 10.4 - Prob. 49ECh. 10.4 - Prob. 50ECh. 10.4 - Prob. 51ECh. 10.4 - Medical research has shown that repeated wrist...Ch. 10.4 - Prob. 53ECh. 10.4 - A comprehensive study conducted by the National...Ch. 10.4 - Prob. 55ECh. 10.4 - The paper titled Music for Pain Relief (The...Ch. 10.4 - Many consumers pay careful attention to stated...Ch. 10.4 - Much concern has been expressed regarding the...Ch. 10.5 - The power of a test is influenced by the sample...Ch. 10.5 - Prob. 60ECh. 10.5 - Let denote the mean lifetime (in hours) for a...Ch. 10.5 - The city council in a large city has become...Ch. 10.5 - The amount of shaft wear after a fixed mileage was...Ch. 10.5 - Optical fibers are used in telecommunications to...Ch. 10.5 - Prob. 65ECh. 10.6 - In 2006, Boston Scientific sought approval for a...Ch. 10.6 - The article Boy or Girl: Which Gender Baby Would...Ch. 10 - Prob. 68CRCh. 10 - In a national survey of 2013 adults, 1590...Ch. 10 - Students at the Akademia Podlaka conducted an...Ch. 10 - Prob. 71CRCh. 10 - Prob. 72CRCh. 10 - A number of initiatives on the topic of legalized...Ch. 10 - Prob. 74CRCh. 10 - Prob. 75CRCh. 10 - Prob. 76CRCh. 10 - Prob. 77CRCh. 10 - Duck hunting in populated areas faces opposition...Ch. 10 - Past experience has indicated that the response...Ch. 10 - An automobile manufacturer who wishes to advertise...Ch. 10 - A student organization uses the proceeds from a...Ch. 10 - A hot tub manufacturer advertises that with its...Ch. 10 - Prob. 1CRECh. 10 - Prob. 2CRECh. 10 - Prob. 3CRECh. 10 - Prob. 4CRECh. 10 - Prob. 5CRECh. 10 - The article Should Canada Allow Direct-to-Consumer...Ch. 10 - Prob. 7CRECh. 10 - It probably wouldnt surprise you to know that...Ch. 10 - The article Doctors Cite Burnout in Mistakes (San...Ch. 10 - The National Geographic Society conducted a study...Ch. 10 - Heinz Plays Catch-up After Under-Filling Ketchup...Ch. 10 - In a survey conducted by Yahoo Small Business,...Ch. 10 - In an AP-AOL sports poll (Associated Press,...Ch. 10 - Prob. 14CRECh. 10 - A survey of teenagers and parents in Canada...Ch. 10 - The same survey referenced in the previous...
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- Find the mean hourly cost when the cell phone described above is used for 240 minutes.arrow_forwardFind the positive geometric mean between 4 and 64.arrow_forwardThe 2004 General Social Survey asked a random sample of 977 adult Americans how often they feel rushed, with three options to choose from: always, sometimes, and never. The sample result was that 304 of the 977 people responded "always." Calculate the p value (four decimals)arrow_forward
- How did you get p value from hats given?arrow_forwardFind P(A or B) for the following. P(A)=0.20,P(B)=0.40, and P(A and B)=0.02 P(A or B)= Enter your answer in accordance to the question statementarrow_forwardYes, because 0.051 ≠ (0.311)(0.100) Yes, because 0.031 = (0.311)(0.100) No, because 0.051 ≠ (0.311)(0.100) No, because 0.031 = (0.311)(0.100)arrow_forward
- If the average(arithmetic mean) of g and 100 is 75, what is the value of g + 100?arrow_forwardThe choices of the p-value are 0.306 0.999 0.082 0.853arrow_forward3.27 Response rate. A survey designed to assess satisfaction with food items sold at a college's football games was sent to 100 fans who had season tickets. The total number of fans who have season tickets is 6874. Responses to the survey were received from 62 fans. asarrow_forward
- Scatterplot 1 0.2 0.4 0.6 0.8 1 X Scatterplot 4 0.2 0.4 0.6 0.8 1 X 1 o y 8- 6- 4- 2- 0- 0 0- -1- -2- -3- A to Scatterplot 2 0.2 0.4 0.6 0.8 X Scatterplot 5 . . 0 0.2 0.4 0.6 0.8 X T 1 o 17 o U y 8- 6- S 2- Scatterplot 3 +² . J 0- 0 0.2 0.4 0.6 0.8 X Carrow_forwardThe manager of a local record store is interested in the effectiveness of an advertising campaign on sales. They randomly select 10 popular CDs (all in the Billboard top 100) and place an ad in the local school newspaper saying that the store has these (and more) in stock. They measure the sales of these 10 CDs for 1 week prior to the ad, and then for 1 week after the ad. The number of CDs sold each week is presented below. Was there an increase in the number of CDs sold after the ad? Conduct a 6-step hypothesis test. CD ABCDEFGHI с J Number sold before ad 25 18 3 42 16 20 23 32 60 40 Number sold after ad SHTRENDSET 32 24 40 19 25 23 35 65 43arrow_forwardJohn's answering machine receives about 28 telephone calls between 8:00 am and 8:00 pm. Let X = the number of phone calls received between 1:00 pm to 3:00 pm. What is the mean of X?arrow_forward
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