Good evening I submitted some questions and not all were answered. I do apprecviate that the answers and workings which I recieved back were very prompt, thank you. I have attached and image below. Questioin 4 and Question 5 were not answered. I am hoping that they are ableto be answered through this submission. Hope all is in order Thanks
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Good evening
I submitted some questions and not all were answered. I do apprecviate that the answers and workings which I recieved back were very prompt, thank you. I have attached and image below.
Questioin 4 and Question 5 were not answered. I am hoping that they are ableto be answered through this submission.
Hope all is in order
Thanks
Step by step
Solved in 2 steps with 4 images
- What is the qoutientA telecommunications company provided its cable TV subscribers with free access to a new sports channel for a period of one month. It then chose a sample of 400 television viewers and asked them whether they would be willing to pay an extra $10 per month to continue to access the channel. A total of 28 of the 400 replied that they would be willing to pay. The marketing director of the company claims that more than 9% of all its subscribers would pay for the channel. Can you conclude that the director's claim is true? Use the α = 0.10 level of significance.The National Association of Realtors estimates that 23% of all homes purchased in 2004 were considered investment properties. If a sample of 800 homes sold in 2004 is obtained and it was noted that 248 homes were to be used as investment property, would this be unusual? Answer either "yes" or "no" and provide the justification for your answer.
- Imagine that you have arrived in Malate, Manila to conduct a case study onworking street children. A local social worker introduces you to two formerstreet working children and you leam that they still have lots of friends stillworking on the street. As a way to identify participants for your study, you askthe two former street working children if they can recommend and invite someof their friends on the street to participate in the study. You also ask them tospread word of the study in anticipation that their friends will also help you toidentify potential participants.How would you classify this kind of sampling? 1. Quota sampling? 2.Snowball sampling? 3. Random purposeful sampling? Explain your answer.A poll done for Newsweek found that 10% of Americans have seen or sensed thepresence of an angel. A contingent doubt that the percent is really that high. Itconducts its own survey. Out of 85 Americans surveyed, only 5 had seen or sensedthe presence of an angel. As a result of the contingent’s survey, would you agreewith the Newsweek poll? In complete sentences, also give three reasons why thetwo polls might give different results.Your professor is interested in determining if mode of presentation affects how prose material is remembered. She used one prose passage that was presented visually and auditorily. From 200 undergraduate students in the university, only 10agreed to participate. On the first day of the experiment, the 10participants receives visual presentation of the prose passage while on the second day, same participants hears the passages through an auditory presentation. At the end of each presentations, participants were asked to say as much of the material as they can remember within 2 minutes. The words remembered were obtained. Use Student’s tTest for Correlated Groups, alpha at .05 2 tail Visual - 4 2 5 8 2 3 3 2 5 6 Auditory- 4 4 5 9 8 4 4 5 8 6
- Below are summaries of two studies exploring the dangers of texting while driving. Read eachsummary and then comment on which study, 1 or 2, you think provides stronger evidence that textingwhile driving is dangerous. Explain your reasoning by laying out the facts (identify the scientific studiesbeing done, potential errors, etc.) from these two studies and implications that led you to your conclusion. Study 1: Drivers in this study were between the ages of 16 and 54, and they performed on a closedcourse, with no other cars or pedestrians present. The idea of “danger” was measured by drivers’ reactiontime—the time from seeing a flashing yellow light until they applied the car breaks. The treatment condi-tions in this study were: sending text messages, reading text messages, and a control condition in whichdrivers completely focused on the road. Study 2: Drivers in this study were long-haul truck drivers, and their behavior was recorded using severalcameras inside the cab of their…A coach of a cross country team asked all 200 of the runners who ran at a meet two questions: Did you get less than 8 hours of sleep last night? Yes No Did you achieve a personal record in this meet? Yes No The coach saw an association between the amount of sleep and achieving a personal record for the runners. Which statement provides evidence for this association?Company has the head office at Kolkata and a branch at Mumbai. The personal director wanted to know if the workers at two place would like the introduction of new plan work and a survey was conducted for purpose. Out of 500 workers at Kolkata, 62% favoured the new plane. At Mumbai out 400 workers, 41% were against the new plan. Is there any significance difference between the two groups in their attitude towards the new plan at 5% level.
- After an unusually dry autumn, a radio announcer is heard to say, "Watch out! We'll pay for these sunny days later on this winter." Explain what he's trying to say, and comment on the validity of his reasoning b) A batter who had failed to get a hit in seven consecutive times at bat then hits a game-winning home run. When talking to reporters afterward, he says he was very confident that last time at bat because he knew he was "due for a hit." Comment on his reasoning. ...In a recent study, 20 males used a new weight-loss supplement, and 14 of them experienced weight loss after two weeks. In the same study, 100 females used the same supplement, and 82 of them experienced weight loss after two weeks. Fill in the blanks below to make the most reasonable statement possible. The new weight-loss supplement was more effective on ▼(Choose one) in the study. That is because only % of them failed to lose weight after two weeks, whereas % of the ▼(Choose one) failed to lose weight after two weeks.The manager of a small store decided to make half of his employees complete a mandatory training program. Among other things, the training program teaches employees to better serve the customers, be more proactive, appropriately greet customers, etc. After completion of the training program, the manager asks the group that did not receive the training program (non-training group 1) to work for a week (week 1) and then asks the group that received the training program (training group) to work the next week (week 2). During week 1 and week 2 he collects data regarding customer satisfaction from 450 and 800 people respectively using the following item: How satisfied are you with our customers? Not satisfied at all Very Satisfied 1 2 3 4 5 6 7 For week 1 the average customer satisfaction was 4.5 and for week 2…