Answer the following questions:1. What statistical data is/are needed to prove which of Sofia's claims is accepted orreiected?2. What is the average daily usage of social media of her friends? Compare it with the previousaverage usage.3. Which of the two claims could probably be true? Why?If Sofia computed the average daily internet usage of her friends to be higher than thegiobal survey, do you think it would be significantly higher4. A.30 minutes Keep Me Connected!IntroductionDirections: Analyze the situation below and answer the questions that follow.According to a survey, the average dailyusage of social media worldwide of global internetusers amounts to 142 minutes per day. Sofiaconducts her own survey among her friends tofind out if their time spent on social media issignificantly higher than the global survey.GoogleBefore her survey, she formulated the following claims:Claim A: The average daily usage of social media of her friends isthe same as the global average usage.The average daily usage of social media of her friends ishigher than the global average usage.Claim B:The table shows Sofia's friends and their respective timespent on social media.Minutes per Day Spent onSocial Media132148Friend's NameAllenBryanEllenJakeMindieShamsiCandice165157120144136DoryMitch160185Mila173

The following information is given: The average daily usage of internet users is 142 minutes per…

Answer the following questions: 1. What statistical data is/are needed to prove which of Sofia's claims is accepted or rejected? 2. What is the average daily usage of social media of her friends? Compare it with the previous average usage. 3. Which of the two claims could probably be true? Why? 4. If Sofia computed the average daily internet usage of her friends to be higher than the global survey, do you think it would be significantly higher

Answer the following questions: 1. What statistical data is/are needed to prove which of Sofia's claims is accepted or rejected? 2. What is the average daily usage of social media of her friends? Compare it with the previous average usage. 3. Which of the two claims could probably be true? Why? 4. If Sofia computed the average daily internet usage of her friends to be higher than the global survey, do you think it would be significantly higher

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

1. In one or two sentences describe your population. 2. What did you use for your qualitative data? Is it nominal or ordinal? 3. What did you use for your quantitative data?
A scientist studied the spread of AIDS and concluded that 24% of people contracted the disease. There is a problem with this conclusion. What should the correct conclusion state?
A congressperson wants to come up with a single value to describe the prices of homes in their district. However, their district consists of a few homes that are extremely expensive compared to the others. Which descriptive statistic should they use? a. Range b. Mode c. Median d. Mean
This question will be answered in four parts. Use the following sample data of biology test scores to answer all four parts: 51; 58; 60; 48; 95; 44; 75; 71; 64; 99; 74; 48; 62; 73; 51; 78; 65; 53 Part A) Calculate the mean for the data above: Round your answer to 2 decimal places. Need only handwritten solution only (not typed one).
Do you think the results of the study might be applicable to the whole population? Why or why not?
A pool of 500 Houston residents indicated that 16% of them participated in Women’s March on January 21, 2017. We are interested in figuring out the actual percentage of Houston residents that participated in Women’s March. Please answer the following questions. 1. What kind of data is this? Numerical data Categorical data 2. What is the research question? What is the population proportion of Houston residents who participated in Women’s March? What is the percentage of 500 Houston residents who participated in Women’s March? What is the population of Houston residents? What is the sample proportion among the 500 Houston residents who participated in Women’s March? What is the population of Houston residents who participated in Women’s March? What is the pool of 500 Houston residents? 3. What is the population of interest? All Houston residents All US residents 16% of the 500 Houston residents from the pool who participated in Women’s…
You may need to use the appropriate appendix table or technology to answer this question. In a study entitled How Undergraduate Students Use Credit Cards, it was reported that undergraduate students have a mean credit card balance of $3,173. This figure was an all-time high and had increased 44% over the previous five years. Assume that a current study is being conducted to determine if it can be concluded that the mean credit card balance for undergraduate students has continued to increase compared to the original report. Based on previous studies, use a population standard deviation ? = $1,000. (a) State the null and alternative hypotheses. H0: ? < 3,173 Ha: ? ≥ 3,173 H0: ? = 3,173 Ha: ? ≠ 3,173 H0: ? > 3,173 Ha: ? ≤ 3,173 H0: ? ≥ 3,173 Ha: ? < 3,173 H0: ? ≤ 3,173 Ha: ? > 3,173 (b) What is the test statistic for a sample of 170 undergraduate students with a sample mean credit card balance of $3,305? (Round your answer to two decimal places.) What is…
24. According to the Centers for Disease Control and Prevention (CDC), 26% of Americans are "anti-vax". To verify this, 1,000 Americans were asked and 324 of them said they are "anti-vax". What is the population, sample, statistic, paramter, variable, and constants?
The dataset HollywoodMovies - 2e contains information on 970 movies that came out of Hollywood between 2007 and 2013. One of the variables is the budget (in millions of dollars) to make the movie. What would be the relevant parameter and statistic for this problem (think -- is this categorical or quantitative)? O u: The mean budget of all Hollywood Movies made between 2007 and 2013. O p: The average proportion of budgets of Hollywood Movies made between 2007 and 2013. T: The mean budget of all Hollywood Movies made between 2007 and 2013. Op: The proportion of Hollywood Movies made between 2007 and 2013.
.Descriptive statistics allows you to make inference from the data صواب ihi
A researcher will choose quantitative research if he wants to obtain detailed information about hundreds of subjects from the target population. a. TRUE b. FALSE
2. Explain the relationship between the population mean ?, the sample mean?̅, and a value of the sample mean ?̅. Which is the population parameter,which is a statistic, which is a point estimate, and which is an estimator?