It looks like we don't have a Synopsis for this title yet. The new school starts off well Charlie receives good grades and praise from her teachers and joins the robotics team - until she falls in with the wrong crowd, starts abusing synthetic weed, and becomes a shell of her former self. Amber is concerned Charlie will return to her old ways, falling into the wrong crowd and getting mixed up in drugs and alcohol, but she reluctantly agrees. It's also her way of making up for her divorce two years ago, and she worries that Charlie blames herself for the separation. Growing up without any luxuries, Amber works overtime as a doctor in order to give Charlie the finer things in life. How would you select a simple random sample of those Peaceful Valley homeowners who paid their subdivision association dues last year? What, if any, sample bias, might result from this approach? 5.Charlie Cunningham begs her mom, Amber, to let her switch from her small private school to a public high school, wanting to prove to her (and to herself) that she's changed since being kicked out of school last year. How should this fact be used to draw a representative sample of the entire subdivision? Identify the probability sampling method that is most appropriate, and indicate, step-by-step, how it should be applied here.Ĥ. Assume that the Steering Committee chairperson’s point that the 1,000 waterfront owners are not the same as the other 5,000 Peaceful Valley Subdivision homeowners is true. If these 1,000 homeowners are used for the sample, what sample method would be involved, what are its pros and cons, and how representative a sample would result?ģ. The chairperson of the Suburb Steering Committee thinks the 1,000 homeowners whose houses are on the waterfront properties of Peaceful Lake are the best ones to survey because they paid more for their lots, their houses are bigger, and they tend to have lived in Peaceful Valley longer than other residents. Identify what sample method the president would be using, list its pros and cons, and indicate how representative a sample would result.Ģ. The handouts would include addressed, postage-paid envelopes for returns. to hand out questionnaires to exiting drivers while they wait for the red light to change. The president is thinking of paying his teenage daughter to stand at the stop light at the entrance to Peaceful Valley next week between the hours of 7 and 8:30 a.m. There is only one street into/out of the subdivision. Indicate your reactions and answers to the questions associated with each possible method.ġ. Review the following possible sample methods. The president of the Peaceful Valley Suburb Association has decided to conduct a survey to poll the opinions and preferences of Peaceful Valley homeowners regarding the swimming pool, tennis court, and meeting room facility concept. Other Peaceful Valley homeowners see the recreational facility as a wonderful addition where their children could learn to swim, play tennis, or just hang out under supervision. Some residents have their own swimming pools, belong to local tennis clubs, or otherwise have little use for a meeting room facility. For some, the one-time fee is unacceptable for others, the notion of a recreational facility is not appealing. Objections to the recreational facility come from various quarters. To finance the proposed recreational facility, every Peaceful Valley household would be expected to pay a one-time fee of $500, and annual fees would increase to $250 based on facility maintenance cost estimates. Currently, every Peaceful Valley homeowner is billed $100 annually for maintenance, security, and upkeep of the development. Construction cost estimates range from $1.5 million to $2 million, depending on the size of the facility. The Suburb Steering Committee has recommended that the community build a swimming pool, tennis court, and meeting room facility on four adjoining vacant lots in the back of the subdivision. Peaceful Valley has not been living up to its name in recent months. Peaceful Valley’s residents are primarily young, professional, dual-income families with one or two school-age children. Now Peaceful Valley is fully developed with 50 streets, all approximately the same length with about 120 houses on each street. The lake became the centerpiece of the development, and the first 1,000 half-acre lots were sold as lakefront property. The subdivision came about 10 years ago when a developer built an earthen dam on Peaceful River and created Peaceful Lake, a meandering 20-acre body of water. Located on the outskirts of a large city, the suburb of Peaceful Valley comprises approximately 6,000 upscale homes.
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