A social media app is conducting a study on the amount of time users spend on the app. They collect the following variables. 1. Age Years: How old they are in years? 2. Income: Monthly Income 3. Location: What country do they live in? 4. Device: Do they use an iPhone, Samsung, other? 5. Service: Who provides their mobile phone service? For example: T-Mobile, At&t, Verizon, ect 6. Hours: How many hours do they spend on the app per week. Which variable could the research construct a one proportion z-interval for? And Why would you choose that variable?

Q: The table to the right shows data found at a government census website, under a "Did All You Know"…

A: the correct answer would be:B. The information is distributed by an organization or individual.

Q: Total revenue for a soda in January 2011 was $4,342,262, and total revenue in January 2013 was…

A: Given :

Q: The top schools HCC students transfer to are below from highest to lowest.  This type of data is…

A: We have given the following statement

Q: Several years ago, two companies merged. One of the concerns after the merger was the increasing…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Which of these questions could be answered using experimental investigativ research? How much time…

A: Which of these questions could be answered using experimental investigative research?(a)How much…

Q: Several years ago, two companies merged. One of the concerns after the merger was the increasing…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Police Department A and Department B each use the same set of data about the number of safety…

A: Given that  Department A calculates an interval of 12% to 15%, Department B calculates an interval…

Q: Is there enough variation in the value people place on health for it to be included in value…

A: Value Surveys: The value surveys is a tool for improving the quality, standards, improving customer…

Q: An business reviews data on the daily amount of calls it receives. Are the data discrete or…

A: Discrete Variable: A variable which assumes only specified values within a given range is a discrete…

Q: (a) Identify the null and alternative hypotheses. (b) Determine if the sample size is large enough…

A: The following information is provided: The sample size is N=631N = 631, the number of favorable…

Q: STUDENTS' ATTITUDES TOWARDS STATISTICS Table 1. Profile of the Respondents Variable Frequency…

A:

Q: What is the proxy or measurement of the variables for tertiary education

A: Solution

Q: In a survey of middle school students, 70% play basketball and 40% play basketball and football. Of…

A:

Q: 2. Sketch a Pie chart for the variable Phone. Describe the data distribution. iPhone iPhone iPhone…

A: Mobile phone data related to different models is given and we were asked to sketch a pie chart.…

Q: Snoop Incorporated is a firm that does market surveys. The Rollum Sound Company hired Snoop to study…

A: As requested, I have provided answer for blanks

Q: Instruction: How will you interpret the data that you have gathered?

A: Let CC be Coca-Cola and P be Pepsi. Given data

Q: 3. Solano College wanted to know if their student body was changing its educational make up. In…

A: The question is about categorical data analysis Given : To test : Is the educ. make - up of the…

Q: An over-the-counter drug manufacturer wants to examine the effectiveness of a new drug in curing an…

A: the regression model:the coefficients from the model:

Q: A May 2001 Gallup Poll found that many Americans believe in ghosts and other supernatural phenomena.…

A: Given information: Number of randomly selected adults n=1591 The given number of people who…

Q: The following boxplot illustrates the song length (in seconds) of the top 50 songs on Spotify in…

A: The median is the middlemost value of the dataset. So here Median corresponds to the one that lies…

Q: Determine whether the following variables are qualitative or quantative, and explain why.  The gold…

A: Qualitative variable: The variable that consists of the attributes that has different categories,…

Q: Identify research topics that are well suited for survey research.

A: In survey, the responses given by individuals to questions are collected.

Q: Forbes magazine published data on the best small firms in 2012. These were firms which had been…

A: age frequency relative frequency cumulative relative frequency 40-44 3     45-49 11     50-54…

Q: Literacy Rate The figure below gives a boxplot showing the literacy rate of the countries of the…

A: Here the given box plot is

Q: As part of your project, you collected 100 or more data. See link below. Two of the data columns…

A: Note: Hi there! Thank you for posting the question. As your question has asked to use Statcrunch…

Q: How to interpret scatterplots Positive, Negative, or little or No Relationship?

A:

Q: Based on responses from 1,151 US residents, the survey reported a 95% confidence interval of 3.40 to…

A: It is given that  95% confidence interval = ( 3.40, 4.24 ) Total residents = 1151

Q: cebook apps: The following table presents the number of monthly users for the 15 most popular…

A:

Q: Each week the Wall Street Journal and Harris Interactive track the opinions and experiences of…

A: Hi there! Thanks for posting the question. Since there are multiple questions we will solve the…

Q: At a university 60% of students take a math course, 50% take an English course. Assume Math and…

A: It is given that at a university 60% of students take a math course, 50% take an English course. It…

Q: How to determine the number of observation in the model?

A: We are given the output of a multiple model predicting car mileage per gallon (mpg) as a function of…

Q: The average monthly residential gas bill for Black Hills Energy customers in Cheyenne, Wyoming is…

A:

Q: According to Zillow.com, the median sale price for homes in January for South Carolina, California,…

A: According to Zillow.com, the median sale price for homes in January for South Carolina, California,…

Q: Interpret the path diagram below: Critical thinking DNA Statistics Mathematics Conceptual

A: The Diagram can be interpreted as follows    Conceptual understanding  and critical thinking related…

Q: What is the difference between a frequency histogram and a relative frequency histogram?      A…

A: It is needed to state the difference between a frequency histogram and a relative frequency…

Q: write a paragraph that discusses: Why is this graphic might be needed for that specific topic Why…

A: Given information: Topic: Americans who have tried marijuana Variable: No. of people (Americans)

Q: The number of megapixels in a digital camera is one of the most important factors in determining…

A: Correlation is the measure that used to understand the association between the two numerical…

Q: Ghughu

A: Answer -The 95% confidence interval for two sided for the standard deviation is = 0.11 ≤  σ  ≤…