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Q-mart is interested in comparing its female and male customers. Q-mart would like to know if the amount of money spent by its female charge customers differs on average from the amount spent by its male charge customers. To answer this question, an analyst collected random samples of 25 female customers and 22 male customers. Based on these samples on average the 25 women charge customers spent $102.23 and the 22 male charge customers spent $86.46. Moreover, the sample standard deviation of the amount charged by the 25 women was $93.393 and the sample standard deviation of the amount charged by the 22 men was $59.695.Suppose using a 10% level of significance, you wish to know if there is a sufficient evidence for Q-mart to conclude that on average the amount spent by women charge customers differs ffrom the amount spent by men charge customers.Assuming that the amounts spent by female and male charge customers at q-mart are normally distributed, based on the procedure advocated by Bluman, what is/are the critical values that you would use to conduct this test of hypothesis?
Fall beyond or between the designated ages/scores.
Describe a situation where it would be appropriate to use forecasting.
Confidence interval for the true proportion of the stores that violate the standard were not met. Determine the number of stores that must be sampled in order to estimate the true proportion to within 0.05 with 95% confidence using the large-sa..
Quantitative Business Analysis - Find Correlation, simple linear, and Multiple Regression Analysis
The events Ac and Bc are independent
what portion of variation in stock price percentage change is explained by the percent change in profit and what is the approximate predicted value for tips if the total bill is $100?
How does the utility curve differ for risk seekers and risk avoiders? Are you familiar with one of these types? APA format 300-400 word count
12) The time it takes to process phone orders in a small florist/gift shop is normallydistributed with a mean of 6 minutes and a standard deviation of 1.24 minutes.a. What cutoff value would separate the 2.5% of orders that take the most time ..
What is going on with my multivariate/SPSS statistics?
A company manufactures microwave for popcorn and claims that only 2% of the popcorn failed to pop. Another company who is competitor believes that percentage could be much higher. So this second company does tests with 3000 kernels and finds ..
Reflection to date
question 1 a normal population has a mean of 78 and a standard deviation of 6. you select a sample of 50. evaluate the
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