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Question: As part of a mediation process overseen by a federal judge to end a lawsuit that accuses Cincinnati, Ohio, of decades of discrimination against African Americans, surveys were done on how to improve Cincinnati police community relations. One survey was sent to the 1,020 members of the Cincinnati police force. The survey included a cover in which the chief of police and president of the Fraternal Order of Police encouraged participation. Respondents could either return a hard copy of the survey or complete the survey online. To the researchers dismay, only 158 surveys were completed ( Few Cops Fill Out Survey, The Cincinnati Enquirer, August 22, 2001, p. B3).
a. What type of errors or biases should the researchers be especially concerned with?
b. What step(s) should the researchers take to try to overcome the problems noted in (a)?
c. What could have been done differently to improve the survey s worthiness?
the seats were subjected to a safety stress test in which scores were assigned on a continuous scale of 0 to 10.
The cost of an e-commerce website can vary a great deal. A market research team hypothesized that the cost of an average website is $3500.
Happy Hector and Party Paul are each having a catered party at Fun Factory. Hector's party is in the hall and Paul's party is on the Patio.
Does this sample indicate a smaller average? Use α = 0.05 and assume a normally distributed population.
As the teacher when situation like the above take place describe what would you say to guide children using effective communication and conflict resolution strategies. Be sure to respond based on the content
What is the probability that the sum of their scores exceeds 1200 and probability that the average of the scores of all 400 student
Create a 99% confidence interval for mean overall duration of symptoms in population of individuals who used zinc lozenges.
Calculate SSR(X3|X1), that is the sequential sum of squares obtained by adding X3 to a model already containing only the predictor X1. Show your work.
what is the relationship between sample size and the width of the confidence interval? please explain further as to
Let a b in R and let f be continuous from [a, b] into R. Show that f takes all values between f (a) and f (b). Hint: Apply parts (a), (b) and (c).
What's the probability that someone who has traveled to Mexico has visited Canada, too?- Are traveling to Mexico and to Canada disjoint events? Explain.
The Computer Systems Department has eight faculty, six of whom are tenured. Dr. Vonder, the chair, wants to establish a committee of three department faculty members to review the curriculum. What is the probability that at least one member is not ..
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