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    Help on data correctness for ANOVA

    That makes sense too. Thanks @katxt
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    Help on data correctness for ANOVA

    @katxt I initially did that. But it wasnt looking correct. Say intime is at 1.30 pm and out time 8 pm.. if we use intime alone to categorize like you said, then the entire stay will be categorized as Morning - ‘10am-2pm’ bin.. right? But that is not the actual case here...
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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

    Thank you guys for taking time to explain. :) @katxt I used Norm inverse to arrive at 2.4 days.. and then used trial and error to figure out that the solution is less than or equal to 2.4 as it confused me. Thank you for helping out. :) @obh Thank you for the detailed explanation :)
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    Finding sample mean for normal distribution

    Thank you. Plotting it really helped clear my mind. For exactly 90% of the coverage, my mean comes around 2.4 days. Since the question is about atleast 90% coverage, I believe my population mean should be less than or equal to 2.4 days. Is my understanding correct?
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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...