Math 533 Project Part B In regards to the dataset from AJ Department store‚ your manager has speculated the following: the average (mean) annual income is less than $50‚000‚ the true population proportion of customers who live in an urban area exceeds 40%‚ the average (mean) number of years lived in the current home is less than 13 years‚ the average (mean) credit balance for suburban customers is more than $4300. Part 1. Using the sample data‚ perform
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Course Project Part B a. the average (mean) annual income was less than $50‚000 Null and Alternative Hypothesis H0: mu= 50 (in thousands) Ha: mu<50 (in thousands) Level of Significance Level of Significance = .05 Test Statistic‚ Critical Value‚ and Decision Rule Since alpha = .05‚ z<-1.645‚ which is lower tailed Rejection region is‚ z<-1.645 Calculate test statistic‚ x-bar=43.74 and s=14.64 Z=(43.74-50)/2.070=-3.024 2.070 is calculated by: s/sq-root of
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development by creating new items or methodologies to enhance and extend their operations. Innovative work is a center some piece of our business at Paint Industries. Real choices in this business are made on the bases of innovative work. Here level of rivalry‚ preparation procedures and techniques are quickly expanding‚ it is of unique vitality to Paint Industries to create arrangement to suit particular customer or market needs‚ as dependent upon their qualities‚ client fulfillment as required. Their
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supports the view that the main effect of increasing media coverage of the royal family from the 1970s onwards was to damage the image of the monarchy when it says the slapstick gameshow ’It’s a Royal Knockout’‚ which many members of the royal family took part in ’seriously dented their dignity: the nation was not amused’‚ which suggests the people of Britain lost respect for the royal family as a result of media coverage. This is supported in source 16 when it says ’We hope the Windsors and their advisors
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The following report presents a detailed statistical analysis of AJ DAVIS department store customers. Data was collected from a sample of 50 AJ DAVIS credit customers for the purpose of learning more about the customers of AJ DAVIS. The first variable considered is Location‚ a categorical variable. The three subcategories are Urban‚ Suburban and Rural. The frequency distribution and pie chart are included. Measures of central tendency and descriptive statistics are not calculated due to the
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AJ Davis Department Store Part B AJ Davis Department Store Introduction The following information will show whether or not the manager’s speculations are correct. He wants to know the following information: Is the average mean greater than $45‚000? Does the true population proportion of customers who live in an urban area exceed 45%? Is the average number of years lived in the current home less than 8 years? Is the credit balance for suburban customers more than $3200? Hypothesis testing and confidence
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a department store chain‚ which has many credit customers. A sample of 50 credit customers is selected with data collected on location‚ income‚ credit balance‚ number of people and years lived in the house Contents A. Brief Introduction: 2 B. 1st individual variable‚ using graphical‚ numerical summary and interpretation 3 a) Income 3 C. 2nd individual variable‚ using graphical‚ numerical summary and interpretation 4 a) Credit Balance 4 D. 3rd individual variable‚ using graphical
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The Indian paint industry - an overviewnews Paint is a mixture of four elements - 07 April 2007 file to cabinet attach label bookmark send to friends add note add to tracker print currency converter informachine tools Highlights • The Indian paint industry is a Rs 49 billion sector. • The demand for paints is relatively price-elastic but is linked to
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Lewis and Clark in a video game‚ but she needs your help. She wants the game to be awarded Top 10 Kudos like Super Mario‚ Rock Band‚ and SimCity. Read all the directions first and follow them carefully to get this new expedition rolling. (12 points) Score 1. Evaluate each of the following websites and choose the three that provide the best explanation and description of the expedition. Explain each of your choices. • Lewis and Clark http://www.pbs.org/lewisandclark/ • Lewis and Clark Trail Heritage
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This an in-depth overview of paint sector in India : Industrial Analysis The size of the paints market in India is estimated at Rs 110 bn‚ with the contribution of the organised and unorganised segments in the ratio of 65:35. Reduction of excise duties over the last few years‚ from 40% to the present level of 14%‚ has helped create a level playing field between the unorganised and the organised segments‚ as the former is not subject to excise duty. As the unorganised sector loses its competitive
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