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Need help with 95% confidence interval. Have 5 that need to be figured out. The five with the Mean listed first and the standard deviation next are as follows: Mean: 20,330.5; SD: 53,510.2 Mean: 5.417; SD: 4.336 Mean: 2.000 SD: 3.684 Mean: 1.637 SD: 0.971 Mean: 4.557 SD: 4.028. Break it down step by step.
Identify a business research topic, define the research questions for the identified problem or opportunity and select the appropriate research methodologies and techniques to use for the research project
Unions often oppose imports from what they call low-wage countries and advocate trade barriers to protect jobs from what they often characterise as "unfair" import competition" please critically analise this statement
What are the effects of gender and worksite location (on- or off-site) on level of confidence and is there a gender difference in confidence?
statistics1 an electronics company is about to launch a new product. if the serial number for eachnbsp piece produced
Given the following, complete the ANOVA table and make the correct inference. Source SS df MS F Treatments ____ 2 3.24 ____ Error ____ 17 ____ Total 40.98 ____ a) In the above ANOVA table, is the factor significant at 5% level of significant? b) Wh..
Complete the following problems and submit the results in either a Microsoft Word document or a Microsoft Excel spreadsheet. If you choose to use an Excel spreadsheet, place each problem on a separate sheet and label the tab with problem number. Save..
A Gallup Poll used telephone interviews to survey a sample of 1025 U.S. residents over the age of 18 regarding their use of credit cards. The poll reported that 76% of Americans said that they had at least one credit card. Give the 95% margin of erro..
starbucks coffee co. uses a data-based approach to improving the quality and customer satisfaction of its products.
Simple random sampling
Calculate the correlation coefficient
A paper company is interested in estimating the proportion of trees in a 500-acre forest with diameters exceeding 2 feet. The company selects 25 plots (100 feet by 100 feet) from the forest and utilizes the information from the 25 plots to help..
The average yearly cost per household of owning a dog is $186.80. Suppose that we randomly select 50 households that own a dog. What is the probability that the sample mean for these 50 households is less than $175.00? Assume = $ 32.
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