The average age of an adult's first vacation without a parent orguardian was reported to be 23 years old. A travel agent believesthat the average age is different than reported. They sample 27adults and they were asked their age in years when they firstvacationed as an adult without a parent or guardian, data shownbelow. Test the claim using a 10% level of significance. Give answerto at least 4 decimal places.Age242823282527241823212226261924252425272421212122222122What are the correct hypotheses?Но: еyearsH1: @|yearsBased on the hypotheses, find the following:Test Statistic =p-valueBased on the above we choose to (Fail to reject the null hypothesisThe correct summary would be: (There is enough evidence to reject the claimthat the average age of an adult's first vacation without a parent orguardian is not 23 years old.

Answered: Image /qna-images/answer/2011fef4-52e1-4192-9b0e-5b74903ddaf2.jpg

Answered: The average age of an adult's first…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A research scientist wishes to test the claim that the mean number of children per classroom in California elementary school is less than 35. She selects a simple random sample of 29 California elementary school classrooms. She know nothing about the distribution of children in classrooms. Can she use the data to test her claim?
make up 2 data sets, each with 5 values, that have the same mean and median, but different standard deviations.
A study was conducted to examine the impact of speaking in public on college students. A class of 15 statistics students participated in the study. At the beginning of a lecture the students recorded their systolic blood pressure. During the lecture the instructor called on each student to stand and answer questions about topics in the lecture. After speaking the students once again recorded their blood pressure. The resulting values are given below along with summary statistics. before 100 123 128 125 136 108 130 113 105 136 146 138 108 149 132 after 141 142 146 136 144 111 132 114 103 133 140 130 100 133 113 difference -41 -19 -18 -11 -8 -3 -2 -1 2 3 6 8 8 16 19 before after difference mean 125.1 127.9 -2.733 st dev 15.26 15.45 15.23 Does this information indicate that blood pressure increased because of speaking? Conduct an appropriate hypothesis test and show appropriate steps. Let μ1 mean systolic blood pressure before speaking in public, and μ2 mean…
In Statsville there’s a city-wide speed limit of 30 mph.If you are caught speeding the fine is $100 plus $10 forevery mile per hour you were over the speed limit. Forexample, if you’re ticketed for going 45 mph, your fine is100 + 10145 - 302 = +250. Last month all the driverswho were fined for speeding averaged 42 mph with astandard deviation of 7 mph. What were the mean andstandard deviation of the fines?A) $120 and $70 B) $220 and $7C) $220 and $70 D) $220 and $170E) $420 and $70
When a researcher changes their data analyses to get the p-value they desire, that is known as a. HARKing b. p-hacking c. multiple comparisons d. a Type II error
Please assist and answer questions a, b, c, d, e, f Thank you.
A study was conducted about the number of miles
A researcher surveyed ten (10) patients at a doctor's office using a questionnaire. The participants (or their guardians) provided their ages. 12, 1, 9 , 50, 34, 40,18, 29, 16, 46 What is the mean age for the participants in the sample? (Round to nearest hundredth, if needed).
In a survey of1153 senior citizens in Virginia, 50% said that they wash their hands after attending a sporting event. a. Identify the sample and the population. b. Is the value of 50% a statistic or a parameter?
A survey was conducted that asked 963 people how many books they had read in the past year. Results indicated that x=14.7 books and s=17.8 books. Construct a 90% confidence interval for the mean number of books people read. Interpret the interval.Construct a 90% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice.(Use ascending order. Round to two decimal places as needed.)A. If repeated samples are taken, 90% of them will have a sample mean between ___ and ____ B. There is a 90% probability that the true mean number of books read is between ____ and ___ C. There is a 90% confidence that the population mean number of books read is between ___ and ___

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