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    Help on data correctness for ANOVA

    Hello friends, My aim is to study the nature of length of stay of vechicles in a parking lot. A day is split to 3 sessions namely Morning - 10am to 2pm, Afternoon - 2 pm to 6 pm, Evening 6pm to 10pm. Given the In time and Out time of a sample size of 9000 vechicles, I need to statistically...
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    Finding sample mean for normal distribution

    Hello friends, I require help on the below question on normal distribution. "An e-commerce company tries to settle the customer complaints on refund within 5 days. If a refund is not processed within 5 days, then the company has to provide coupons for Rs.500 to the customer. If the company...