Convos/STAT 113 Service Learning Group Project Instructions 30 points total Josey Ho 0027899115 Peining Xie 0025880900 Xiaotian Zhang 0025741134 Start by watching the Convos video (link will be in Blackboard) to learn what Convos needs for us to do to help them choose artists to bring to campus next semester. We will all be working as statistical consultants. You will be working in groups to collect data‚ and then as a class we will prepare a report for Convos. Questions to answer with your group before collecting your data:
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1.1 For the following situation‚ indicate whether the statistical application is primarily descriptive or inferential. “The manager of Ann’s Fabric Shop has collected data for 10 years on the number of each type of dress fabric that has been sold at the store. She is interested in making a presentation that will illustrate these data effectively.” Suggested Answer: This application is primarily descriptive in nature. The owner wishes to develop a presentation. He will most likely use charts
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CGE13101 Understanding Society Through Statistical Reasoning Tutorial 3 1. A wholesale appliance distributing firm wished to study its accounts receivable for two successive months. Two independent samples of 50 accounts were selected for each of the two months. The results have been summarized below. Frequency distribution for accounts receivable Amount March Frequency April Frequency $0 - under $2‚000 $2‚000 - under $4‚000 $4‚000 - under $6‚000 $6‚000 -
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2.41 a. Number of Internet Searches Percentages A few search results 23 First page of search results 39 First two pages 19 First three pages 9 More than first three pages 10 b. Pie charts and bar graphs are two ways of representing
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Chapter 2 – Data 1. The news. Answers will vary. 2. Molten iron. Who – 10 crankshafts at Cleveland Casting. What – The pouring temperature (in degrees Fahrenheit) of molten iron. When – Sometime before the 1995 journal article. Where – Cleveland. Why – To ensure the pouring temperature of molten iron is close to 2550 degrees. How – Not specified. Variables – Temperature (in degrees Fahrenheit) is a quantitative variable. 3. Walking in Circles. Who – 32 volunteers. What – Sex‚ height
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Story: Where Are You Going‚ Where Have You Been Author: Joyce Carol Oates First Reaction: My reaction to the story was disbelief‚ it was hard for me to fathom anyone much less an entire village agreeing to such barbaric practices and creating and following a tradition where you stone and hurt or kill family and friends. Characterization The story is told in third person most of the time‚ it seems to be a village member who narrates the story‚ they are familiar with the village and the people
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2. Young Professional magazine was developed for a target audience of recent college gradu- ates who are in their first 10 years in a business/professional career. In its two years of pub- lication‚ the magazine has been fairly successful. Now the publisher is interested in expanding the magazine’s advertising base. Potential advertisers continually ask about the demographics and interests of subscribers to Young Professional. To collect this informa- tion‚ the magazine commissioned a survey
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1. When someone says they are going to us a sample to draw an inference about a population‚ it means that rather than survey the entire population‚ they’ll survey a smaller group and apply the results to a larger group. For example‚ if you take a neighborhood in a town with 100 homes and survey approximately 80% of the households and 76% of those families own multiple televisions you may infer that the majority of the 100 home neighborhood also own multiple televisions. A simple random sample
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Managerial Functions are universal processes which characterize all group efforts-public or private‚ large scale or small scale. These functions include the organization‚ direction‚ coordination and control of human and technical resources to achieve the desired goals of an organization. (Gregorio‚ 1978) Gregorio‚ Herman C. (1978) School Administration and Supervision. Quezon City R.P. Garcia Publishing Company. How well an organization operates to realize its goal depends upon the degree of integration
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An alpha level of 0.05 is arbitrary and was set as a standard by scientists. One of the key concepts in hypothesis testing is that of significance level or‚ the alpha level‚ which specifies the probability level for the evidence to be an unreasonable estimate. Unreasonable means that the estimate should not have taken its particular value unless some non-chance factor(s) had operated to alter the nature of the sample such that it was no longer representative of the population of interest Remember
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