P7.5; explain how the setting promotes positive images of children and reflects a diverse society. My setting promotes positive images of the children‚ as when the children walk into the classroom there is a display board‚ which shows a picture of each child with their parent/ guardian. Inside the classroom they have all painted a self-portrait of themselves‚ which is displayed on the wall. Every day different children are chosen to be milk/ fruit helpers and special helpers. There is a display
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can be explained in terms of statistical topics such as mean‚ median‚ and mode. How can one observe that whether the expenditures are significantly higher or lower or different than a normal students’ expenditure by performing hypothesis test and confidence interval? From my experience‚ I see that if students can relate any technical materials with the practical problems‚ they can follow and understand well. It is also easier for an instructor to make the materials understandable to the students. For
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64 people‚ 48 are classified as “successful.” (a) Dete rmine the sample proportion‚ P‚ of “successful” people. (b)If the population proportion is 0.07‚ determine the standard error of the proportion. 8.1. If X = 85‚ mean=8‚ n=64‚ construct a 95% confidence interval estimate of the population mean‚ U. 8.2. If X = 125‚ mean = 24‚ and n = 36‚
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error=3.4 d) The proportion of registered voters in Washington State in favor of a referendum to lower college tuitions is estimated with a 95% confidence level to be 45% with a margin of error ±3%. Is it possible the referendum will pass? Explain. Yes‚ It is possible the referendum will pass. The margin of error is only stated with 95% confidence. In the given case‚ the estimate that the population proportion will lie between 0.42 and 0.48 (0.45 ± .03) is only stated with 95% certainty‚ so
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Chapter 9 Estimation and Confidence Intervals 30. A random sample of 85 group leaders‚ supervisors‚ and similar personnel revealed that a person spent an average 6.5 years on the job before being promoted. The population standard deviation was 1.7 years. Using the 0.95 degree of confidence‚ what is the confidence interval for the population mean? A) 6.99 and 7.99 B) 4.15 and 7.15 C) 6.14 and 6.86 D) 6.49 and 7.49 Answer: C 31. The mean weight of trucks traveling on a particular section of I-475
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In today’s world‚ we are faced with situations everyday where Statistics can be applied. In general‚ Statistics is the science of collecting‚ organizing‚ and analyzing numerical data. The techniques involved in Statistics are important for the work of many professions‚ thus the proper preparation and theoretical background of Statistics is valuable for many successful career paths. Marketing campaigns‚ the realm of gambling‚ professional sports‚ the world of business and economics‚ the political
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collection to ensure that the confidence interval is narrow enough to be useful in making decisions. Determining the proper sample size is a complicated procedure‚ subject to the constraints of budget‚ time‚ and the amount of acceptable sampling error. If you want to estimate the mean dollar amount of the sales invoices‚ you must determine in advance how large a sampling error to allow in estimating the population mean. You must also determine‚ in advance‚ the level of confidence (i.e.‚ 90%‚ 95%‚ or 99%)
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Bock Investment Services Lisa started Bock Investment services in 1994 with the goal of making BIS the leading money market advisory service in Southern Carolina. To provide better service for her present clients and to attract new clients‚ she has developed a weekly newsletter. Lisa has been considering adding a new feature to the newsletter that will report the result of a weekly telephone survey of fund managers. To investigate the feasibility of offering this service and to determine what type
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Compare your summary results. Discuss any specific statistical results that would help a real estate agent understand the condominium market. 4.Develop a 95% confidence interval estimate of the population mean sales price and population mean number of days to sell for Gulf View condominiums. Interpret your results. 5. Develop a 95% confidence interval estimate of the population mean sales price and population mean number of days to sell for No Gulf View condominiums. Interpret your results. 6. Assume
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LOMOCSO‚ CARLA M. BS PSY-III PSYCHOLOGICAL REPORT I IDENTIFICATION DATA NAME Charmaine M. Reyes BIRTHDATE 02/14/1996 ADDRESS Jaen‚ Nueva Ecija AGE 17 years‚ 11 months TIME&DATE 4:30 –5:40 pm January 29‚ 2014 EDUCATIONAL ATTAINMENT 4TH Year High School PHONE NUMBER 0905-776-1684 GENDER Female II EVALUATION PROCEDURE The Sacks sentence completion test is a semi-structured test consisting of 60 incomplete phrases/sentences. The test typically provides respondents with the beginnings
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