Describe a data collection plan that will allow the team to collect the data needed to accept or reject the hypothesis developed during week 2 An appropriate plan for collecting data containing the following elements is described:
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1.Identification of all data to be collected and the measurement scale for each variable. 2.Identification of all data sources. 3.The sample size required for the project and clear support using appropriate criteria used to arrive at this figure. 4.The method for selecting the objects for which data would be collected. 5.The plan or methodology to collect the data.
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Null Hypothesis – Walmart customers will not purchase items when the perceived check out wait is more than three minutes. Alternative Hypothesis – A wait time of three minutes or more in a check out line will have no impact on Walmart customers’ purchases.
Here is some research I have done that may help. We ca
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n adjust the intervals as needed but I think a 95% confidence level and a 5% confidence interval should be sufficient. we will use discrete data, where we are dealing with people and can’t use half a person.
95% confidence level 5% confidence interval 21904 population 378 is the sample size needed
240,000,000 million customers per week – 10,957 stores world wide 21904 visitors per week per store, this is what I have recorded as the population from which the sample should be taken.
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