A recent survey collected data from 1000 randomly selected Internet users. Thecharacteristics of the users include their gender, age, education, marital status, andannual income. Using Excel®, the following pivot tables are produced.Count of Education EducationMarital_StatusHigh school or lessBeyond high schoolTotalSingle16.00%MarriedTotal32.00%48.00%15.10%36.90%52.00%31.10%68.90%100.00%Count of Gender GenderAge16-29Women Grand Total12.60%Men19.20%31.80%30-4322.20%15.10%37.30%44-5713.30%7.20%20.50%58-715.10%3.80%8.90%0.50%60.80% 39.20% 100.00%72-851.00%1.50%Grand TotalCount of EmploymentEmploymentUnemployedEmployedGrand TotalTotal23.20%76.80%100.00%Average of Annual_IncomeEmploymentUnemployedEmployedTotal22988.9310360563.76432Grand Total51846.403Approximate the percentage of these Internet users who are married with formaleducation beyond high school.25%37%45%

We have given that the survey data collected from 1000 randomly selected internet users in Excel…

Answered: A recent survey collected data from…

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 social media app is conducting a study on the amount of time users spend on the app. They collect the following variables. Age Years: How old they are in years? Income: Monthly Income Location: What country do they live in? Device: Do they use an iPhone, Samsung, other? Service: Who provides their mobile phone service? For example: T-Mobile, At&t, Verizon, ect Hours: How many hours do they spend on the app per week. A) Which variable could the research construct a one proportion z-interval for? B) The social media app just launched a new algorithm that suggest content in an effort to increase the amount of time the user spends on the app. The researchers want to use the survey results to see if there is statistically significant evidence that on average users spend more than 10 hours per week on the social media app. The researchers found in their sample of 44 users, the mean hours spent on the app is 10.5 hours with a standard deviation of 5.675 hours. Which type of hypothesis test…
Provide a reason why the classification of data is important.
In a study, researchers wanted to measure the effect of alcohol on the hippocampal region, the portion of the brain responsible for long-term memory storage, in adolescents. The researchers randomly selected 23 adolescents with alcohol use disorders to determine whether the hippocampal volumes in the alcoholic adolescents were less than the normal volume of 9.02 cm. An analysis of the sample data revealed that the hippocampal volume is approximately normal with no outliers and x 8.18 cm and s=0.8 cm. Conduct the appropriate test at the a= 0.01 level of significance. State the null and alternative hypotheses. Ho: H H1: (Type integers or decimals. Do not round.) Identify the t-statistic. to = (Round to two decimal places as needed.) !! Identify the P-value. P-value = (Round to three decimal places as needed.) Make a conclusion regarding the hypothesis. the null hypothesis. There sufficient evidence to claim that the mean hippocampal volume is cm³ Statcrunch Next 8:01 SAMSUNG esc @ %23 $…
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fill blanks underlines.
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