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Trevor is interested in purchasing the local hardware/sporting goods store in the small town of Dove Creek, Montana. After examining accounting records for the past several years, he found that the... more

Finding the best shift according to a customer review

There are three different shifts and data (100 reviews) about customers review (1-5) for each of them. The question is: Which of the shifts is the best and should get some reward?Is it possible to... more

What test to use

I have a data of 13 months. What I am trying to do is compare total value in current month with past 12 months data. If there is significant difference In current months data to past data. i tried... more

confidence in banks

Confidence in banks: A poll conducted by the General Social Survey asked a random sample of 1325 adults in the United States how much confidence they had in banks and other financial institutions.... more

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Open ended question

Assume that the heights of women are normally distributed with a mean of 64.1 inches and a standard deviation of 2.3 inches . If 64 women are randomly selected, find the probability that they have... more

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Confidence Interval Calculation

The nutrition label for Oriental Spice Sauce states that one package of sauce has 1150 milligrams of sodium. To determine if the label is accurate, the FDA randomly selects 60 packages of Oriental... more

Unable to get Excel to recognise date in column?

I constantly have problems working with dates in Excel, I must be doing something wrong but I don't understand what.I have a spreadsheet, exported from our exchange server, that contains a column... more

What does "A1:A4^{1,2,3}" mean in an Excel formula?

What does the caret operand in Excel do to a range when it is followed by some other numbers in brackets? For example lets say we have the following table: A B C 1 1.5 0 0... more

Word Problem

Mrs. Lewis needs to buy two types of grain, oats, and barley to mix as a feed supplement for her cattle. She has $4275 to spend on grain and wants the mixture to be 3 parts oats and 2 parts barley.... more

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