Public Libraries and GenderA survey¹ asked a random sample of n = 2752 US adults whether they had visited a public library in the last 12 months. The resulfor males and females are shown in the table below.Part 1Pf= iPart 2iFemales 726 697MalesYes No TotalTotal¹Rainie, L., "Libraries and Learning." www.pewinternet.org/2016/04/07/libraries-and-learning/, Pew Research Center, April 7, 2016.Round your answers to two decimal places.The 95% confidence interval is(a) Find p, and the sample proportions who have visited a public library in the last 12 months, for females and malesrespectively. What is the difference in sample proportions pj - Pm?Round your answers to three decimal places.1423505 824 13291231 1521 2752Table 1: Have you visited a public library in the last year?(b) Find a 95% confidence interval for the difference in population proportions p - Pmto i

Answered: A survey¹ asked a random sample of n =…

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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Submit a short and broad description of prevalence of gambling in Australia. You should draw information/evidence from the academic literature, government sources, and statistics from ABS or other authorities. No web sources should be used. You should focus on and address the following questions: How many/What percentage of Australian adults engaged in gambling in 2015? Are these numbers high compared to some other countries? Do Indigenous Australians gamble more often than non-Indigenous Australians? Are your sample statistics comparable with the findings from those in the literature? If not, cite the main reasons (hint: you should pay attention to who are in your sample). Other requirements: The description should be no more than one-page (excluding the reference list) with a font size not less than Calibri 11. All sources should be properly cited and referenced. Note: you may need to manipulate the data to get the correct sample statistics for this individual assignment (see tips…
A researcher is studying the effects of his newly created lens on vision. He samples 9 people with poor vision and measures their visual distance (in feet) with the lens and then without the lens. Did people’s vision with the lens differ from their vision without? Participant # With Lens Without Lens 1 8 14 2 6 17 3 9 12 4 7 11 5 5 12 6 9 18 7 8 13 8 9 7 9 7 13 What kind of analysis will you use? Why? State the null and alternative hypothesis. Check your assumptions. Explain why each of them are or are not met. Sketch a distribution and shade the rejection region(s), including the corresponding critical value(s). Using R, calculate your test statistic and interpret the results of your test. (Don’t forget your 95% confidence interval and screenshots of your work!) What do you conclude about the null hypothesis? Are there significant differences?
Define population and sample. List typical parameters from population and sample statistics.
Please read the passage on Teens Cigarette and then answer the questions carefully to get the correct answers.
We will refer to the data table below as "Facebook_Survey_Sample". In the first column 1:="yes" and 0:="no" In the "Gender" column 1:="Female" and 0:="Male" VisitsPerWeek Friends 1 45 100 0 0 1 25 60 1 40 80 m 1 40 60 0 0 1 15 40 1 30 25 80 150 90 Facebook 1 1 200 Age 34 65 46 29 21 25 22 18 42 52 Gender 1 0 0 1 1 1 1 1 Make a scatter plots by sex for VistsPerWeek vs. Friends for those in the Facebook_Survey_Sample who have a facebook account.
We predict that children exhibit more aggressive act after watching a violent television show. The scores for ten children were recorded before they watched a violent show and then after they watched a violent show. Aggression was measured in terms of number of aggressive acts (e.g. hitting, yelling, kicking etc). Sample 1 (after TV show): 5,6,4,4,7,3,2,1,4,1 Sample 2 (before TV show): 4,6,3,2,4,1,0,0,5,2 What is the critical value?
a researcher uses an anonymous survey to investigate the television-viewing habits of 100 American adolescents. he plans to make infrence about tv habits and the american based survery the entire group of american adolescents is an example of? sample, population, parameter, and statistic?
Suppose you are planning to make an account about the study habits of ESTA3041 students. What are the cases in this study?
what is the population of this study
A random sample of 50 CSCC students are surveyed to determine what percent of our students are first-generation college students. The results showed that 16 of the students identify as first-generation college students. show your work What is the sample proportion of first-generation college students at CSCC? Is this an example of a parameter or a statistic? Explain.
3, 5, 5, 4, 2, 2, 1, 1, 1, 4, 5, 3, 3 calculate variance

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