Online activity checks Are more parents checking upon their teen’s online activities? A Pew survey in 2004found that 33% of 868 randomly sampled teens said thattheir parents checked to see what Web sites they visited.In 2006 the same question posed to 811 teens found 41%reporting such checks. Do these results provide evidencethat more parents are checking?

Q: ording to the Bureau of Labor Statistics (BLS), the median weekly earnings for men in the sales and…

A: Given data :  $627, $617, $732, $735, $639, $569, $494, $566, $648, $767, $683, $604, $727, $896,…

Q: A professor thinks that the amount of accounting majors looking to earn a MBA degree equals the…

A:

Q: A 2016 Pew Research poll found that 18% of cell phone owners use their phone for conducting…

A: It is given that the total number of cell phone uses are 18%, thus the population proportion is…

Q: Gallup is a polling company that aims to make predictions about American opinions.  From August…

A: The statistic is a function of sample values only. And parameter is based on population values.…

Q: 6.9, 6.9, 6.7, 7.8, 6.1, 7.2, 7, 7.5, 6.7, 6.6, 7.1, 7.9, 6.4, 7.3, 7, 7.3, 7.4, 7.4, 7.6, 7.2, 7,…

A: Given that data  6.9, 6.9, 6.7, 7.8, 6.1, 7.2, 7, 7.5, 6.7, 6.6, 7.1, 7.9, 6.4, 7.3, 7, 7.3, 7.4,…

Q: An assembly line inspector is interested in determining if there is an equal proportion of “Type-A”…

A: Explanation: 1. Since, The inspector is interested in determining if there is an equal proportion of…

Q: An article estimated that 80 percent of students at a large public university who are Facebook users…

A: According to the given information in this question, we need to identify the correct option

Q: a) Verify the requirements for the confidence interval: b) Confidence Interval: c) Interpret the…

A:

Q: Part of conducting a Mann–Whitney test involves ranking all the data from both samples combined.…

A: In this case, we need to explain the way of dealing with ties in ranking.

Q: yberbullying In 2018, the Pew Research Center did a study on cyberbullying. A sample of 743 teens…

A: Givensample size(n)=743No.of teend were considered a target of…

Q: In the NFL, Coaches can throw "challenge" flags if they believe officials have made an incorrect…

A: Given n(sample size)=316 x( no. of success) =154

Q: Leaf Blower wer Yes No 80 78

A: Given, Observed frequency (O) table: a) Expected frequency (E)  = (row total*column total)/Grand…

Q: A company executive claims that employees in his industry get 100 junk emails per day. To further…

A: Given Information: Consider the given dataset: 125, 101, 109, 94, 122, 92, 119, 90, 118, 122. The…

Q: Do sports drinks help prevent cramps in endurance sports? At the end of a marathon, officials will…

A: Observational study: In observational study, the individuals of the study are observed by the…

Q: In the NFL, Coaches can throw "challenge" flags if they believe officials have made an incorrect…

A: The claim of the NFL team owners is, "proportion of calls in which referees were wrong is more than…

Q: n the NFL, Coaches can throw "challenge" flags if they believe officials have made an incorrect call…

A: Given: α=0.05   z% CI or confidence interval means, if we take the measure repeatedly from the…

Q: Sierra College students enrolled in an online Elementary Statistics course were asked to participate…

A: Given:   Desktop computer 31 laptop computer 113 Smart phone 6 Tablet 3 Total 153

Q: Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation…

A: a:For the given data, the chi-square test for association is appropriate.Null Hypothesis:H0: The…

Q: Cyberbullying In 2018, the Pew Research Center did a study on cyberbullying. A sample of 743 teens…

A: Given: Sample size, n = 743 (a) Proportion = 446743=0.60026 First of all check the conditions of…

Q: The General Social Survey determined in 2016 that 57% of US Residents think that the use of…

A:

Q: Students in a statistics class at Penn State were asked, “About how many minutes do you typically…

A: 1) The assumptions necessary for performing the two-sample t-test, such that the results obtained…

Q: A company executive claims that employees in his industry get 100 junk emails per day. To further…

A: Test is that whether true mean number of junk emails received this day by employees of this company…

Q: Twittering away The Pew Internet and American Life Project asked a random sample of 2253 U.S.…

A: Given Information: Sample size n=2253 Sample proportion p^=0.19

Q: The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to…

A: To find the percentage of females among the respondents, we need to calculate the ratio of the…

Q: 2.Are babies born to mothers who use assistive reproduction technology (ART) more likely to be born…

A: Chi-Square Test of independence: The hypothesis testing for the independence is calculated with the…

Q: Records from the Washington Department of Licensing show that 47 former SFCC business students have…

A: Formula : Mean = x̄ = Σx/n

Q: A survey was conducted to determine whether adult participation in physical fitness programs varies…

A: State the hypotheses. Null hypothesis: Alternative hypothesis: Correct option: Option 1.

Q: Part 1 Fill in the missing values in the table. Round your responses for the expected frequencies to…

A: Given Information: 50% of first weddings take place indoors in a church, 30% take place indoors in a…

Q: A scientific study was conducted to determine the hours of sleep that college students get per…

A:

Q: In a survey conducted by Wright State University, senior high school students were asked if they had…

A: Given that, in a survey conducted by Wright State University, senior high school students were asked…

Q: Cyberbullying In 2018, the Pew Research Center did a study on cyberbullying. A sample of 743 teens…

A: We have given that,  Favorable cases (X) = 438 and sample size     (N) = 743 Then,  We will find the…

Q: Random digit dialing telephone surveys used to exclude cell phone numbers. If the opinions of people…

A: Cell-only sample Landline sample Democrat or lean Democratic 49 47 Refuse to lean either way…

Q: In the NFL, Coaches can throw "challenge" flags if they believe officials have made an incorrect…

A: It was stated that in the NFL, Coaches can throw "challenge" flags if they believe officials have…

Q: help me fix a please !!

A: State the hypotheses. That is, the population proportion of the people who answered “Yes” is the…

Q: An issue of Time Style and Design reported on a poll conducted on the shopping habits of wealthy…

A: Given data number of success , x= 410.0 sample size, n = 603 population…

Q: The National Longitudinal Study of Adolescent Health interviewed several thousand teens (gr to 12).…

A: Opinion Female Male Total Almost no chance 139 86 225 Some chance but probably not 156 189 345…

Q: A researcher wants to see if police officers’ enthusiasm for their jobs changes after having endured…

A: The objective of the question is to identify the appropriate statistical test to compare the job…

Q: Would observations or interviews be more appropriate to research the following topic? How…

A: Observations : where data can be observed, observations used.  Interviews : where a particular case…

Q: The Bureau of Labor Statistics reports that the official unemployment rate for Black people was…

A: Variables are of different types. The correct classification of variables and the identification of…

Q: e. Fill in the correct null and alternative hypotheses. Ho: pv HA: P or #v

A: It is given that 11% of all Americans are left-handed.

Q: Another question asked for a ranking of the condition of the road, based on the type of road. For…

A: In this case, the test is to check whether there is some relationship between the type of road and…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.