A social psychologist hypothesizes that depression is related to Facebook use.  The psychologist collects hours on Facebook and depression score data from a sample of clinically depressed patients.  What can be concluded with an α of 0.01? Facebook depression 334543423 4079611125   A) Obtain/compute the appropriate values to make a decision about H0.(Hint: Make sure to write down the null and alternative hypotheses to help solve the problem.) critical value = test statistic =    B) Effect size =  C) Make an interpretation based on the results. There is a significant positive relationship between using Facebook and depression.   There is a significant negative relationship between using Facebook and depression.       There is no significant relationship between using Facebook and depression.

Q: the claim of health officer true

A: Given; n=100, x=70 , P0=60% and α=0.01 To test: H0: The researcher concludes completed polio vaccine…

Q: Suppose a study reported that the average person watched 1.87 hours of television per day. A random…

A: Consider that μ is the population mean amount of television watched by the average person per day.

Q: The average number of accidents at controlled intersections per year is 5.3. Is this average a…

A:

Q: 8% of all Americans suffer from sleep apnea. A researcher suspects that a lower percentage of those…

A: The random variable X follows normal distribution. We have to test whether a lower percentage of…

Q: None

A: To determine if there's evidence that conductive hearing loss is as common among town children as…

Q: The quality inspector of a certain factory states that 3% of outgoing products have major defects. A…

A: Given data: n =200 Significance level = 0.05 Given claim: The quality inspector of a certain factory…

Q: Several students were tested for reaction times (in thousandths of a second) using their right and…

A: Given, n=5α=0.20 The table below shows the required calculation- Right hand Left hand difference…

Q: 0 6.132 .000 Mind set 3.382 1.617 .147 2.09

A: Given output is:

Q: Twenty years ago, 46% of parents of children in high school felt it was a serious problem that high…

A: Givensample size(n)=700x=192significance level(α)=0.1population proportion(p)=0.46

Q: The director of research and development is testing a new medicine. She wants to know if there is…

A: The objective of the question is to interpret the results of a hypothesis test in the context of a…

Q: within six years. Is this percent smaller than for students who play intramural sports? 155 of the…

A:

Q: he manufacturer of a new eye cream claims that the cream reduces the appearance of fine lines and…

A: Given : Sr. No. Before(x) After (y) 1 12 10 2 14 13 3 13 13 4 11 10 5 9 8 6 15 12 7…

Q: A researcher is interested in the effect type of residence has on the personal happiness of college…

A: Result of Anova: Single factor (Excel):Result of Sceffe's Test:

Q: Only about 15% of all people can wiggle their ears. Is this percent different for millionaires? Of…

A: The complete solution of the question given in the image uploaded below.  Thanks!

Q: 14% of all Americans suffer from sleep apnea. A researcher suspects that a higher percentage of…

A: Given information- Population proportion, p = 0.14 Sample size, n = 391 Significance level, α = 0.05…

Q: A sheriff wanted to see if there was a difference in the number of arrests in a certain city for…

A: Given: The observed frequencies (O) are given below Larceny thefts 38 Property crimes 50 Drug…

Q: In the year 2000, General Social Survey respondents were asked "How many hours did they spend on…

A: Given hypotheses are -H0 : mu2 - mu1 = 0 vsHa : mu2 - mu1 < 0P-value = 0.0007

Q: Supose that the  following text implay that being a little overweight may lead to a longer life ( it…

A: One confounding variable that may compromise the validity of the inference that being a little…

Q: In a clinical trial, 24 out of 840 patients taking a prescription drug daily complained of flulike…

A: The value of np0(1–p0) is obtained below as follows:   From the information, given that…

Q: A recent study of 100 individuals found the following living arrangements for men and women.  Can it…

A: Given that We have to test hypothesis testing for the claim that there is dependent relationship…

Q: A professor claimed that a majority (more than 50%) of her students believe in ghosts. To test her…

A: What is the alternative hypothesis for this test? From the given information, Consider, x be random…

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A: Answer less than 0.77 Population proportion =0.77Sample size =50x =33

Q: The table to the right classifies a​ stock's price change as​ up, down, or no change for both​…

A:

Q: An educator estimates that the dropout rate for seniors at high schools in Colorado is 15%. Last…

A:

Q: (a) State the null (H0) and alternate (Ha) hypotheses.       H0:      Ha:      (b) If the null…

A: The null and alternative hypotheses are H0: p = 0.7 H1: p>0.7

Q: A journal article reports, t(92) = -1.67, p = .11, the reading scores of males (M = 31.54, SD =…

A: The following information has been provided: reading scores of males (M = 31.54, SD = 5.16, n = 29)…

Q: State the hypotheses and identify the claim.

A: Stating hypotheses is the first step of the hypothesis testing inferential procedure.

Q: In the past, it was believed that 40% of women felt that men are basically selfish and…

A: Given: P=0.40n=3000x=1260α=0.05 Formula used: P^=Xn Z=P^-PP.qn

Q: The recidivism rate for convicted sex offenders is 11%. A warden suspects that this percent is lower…

A:

Q: Find the test statistic. Zo (Round to two decimal places as needed.)

A: We have given that  Population proportion p=56%=0.56 Sample size n =700 Favorable cases x =252…

Q: The life expectancy of a male during the course of the past 100 years is approximately 27,739 days.…

A: Given Population mean, μ=27739 α=0.10

Q: The recommended daily dietary allowance for zinc among males older than age 50 years is 15 mg/day.…

A:

Q: Researchers examined the relationship between social playtime and emotional intelligence in a sample…

A: From the provided information, The hypotheses can be constructed as: H0: ρ = 0 (There is no…

Q: Vertical banded gastroplasty is a surgical procedure that reduces the volume of the stomach in order…

A: Level of significance is the probability of rejecting null hypothesis when it is true. Here, level…

Q: Consider the cellphone usage data in attached table. Test the claim that the average monthly expense…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Confidence in banks: A news poll conducted in  2012  asked a random sample of  1268  adults in the…

A: From the provided information,

Q: Studies show that the level of anxiety has increased since the pandemic. The average score before…

A: We have to find no. Of tails.

Q: A study was conducted using undergraduates at a urban university who volunteered to participate in…

A: Note: " Since you have posted many sub-parts. we will solve the first three sub-parts for you. To…

Q: The 2006 Statistical Abstract of the United States reports on a survey that asked a national sample…

A: Given that  Sample size (n) = 80000 Suppose  that one-third of all American households own a pet…

Q: Before the semester began, Professor Keithley predicted that 15% of his philosophy students would…

A:

Q: ormation that you are given, what was the sample standard deviation of the number of hours that the…

A: The width of the confidence interval is =, Width = Upper Interval - Lower Interval           =4.75 -…

Q: 31. 86% of women shave their legs. A cosmetologist thinks this is lower in Europe.  A sample of 335…

A:

Q: Twenty years ago, 51% of parents of children in high school felt it was a serious problem that high…

A: