Personal Finance & Money Stack Exchange
Personal Finance & Money Stack Exchange

Questions tagged [statistics]

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Is $20/day and $603/month (USD) a lot, average or little for one person's "food and related" costs?

I've calculated that I eat for $603/month or $20/day (assuming 30 days in an average month). I do not live in the USA, but "basically the same" ("the West"). I've been trying, but failing, to get a nice list of current average amounts per-country,…
Karnell A.
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What is the optimal number of months to base my "average spending" on?

My goal is to determine how much money I spend on groceries per month, "on average". I have a list of all my food shopping orders (timestamp + amount in USD). Currently, I do the sum() of all orders made within the last three months (that is, with…
O. Popple
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Should I Use an Investment Professional?

A recent article I read cited: People who work with an investment professional are nearly twice as likely to those who DIY to feel confident that they will have enough money to retire. and 44% of people who use an investment professional have…
Pete B.
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How many weeks of living expenses does the average American have savings for?

I've heard that an average American has only enough savings to cover 3 weeks worth of living expenses. (I think it was on some radio show.) Is it true? If so, does anyone have the source?
cnst
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How to determine the right level of disability insurance based on a person's lifestyle

I'm trying to determine what level of disability insurance is right for me. A thought crossed my mind: certain people experience less risk of disability. A person who works from home is at less risk than a police officer or a construction worker. I…
nlambert
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Why divide by ask rate to get the spread?

I want to know why when we calculate the spread equation, that is the difference between ask rate and bid rate divided by ask rate, why can't we divide by bid rate?
Tanjina Afrin
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Price to rent ratio outside of major cities

I'm interested in US price/rent ratios, such the list here: https://smartasset.com/mortgage/price-to-rent-ratio-in-us-cities However, it seems like such statistics are always compiled by major city. I am interested what it looks like outside cities.…
Superbest
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Are Americans in as much personal debt as the British? Are the sources of debt much different?

I recently came across an interactive infographic for the U.K. about personal indebtedness and was shocked at many of the stats in regards to personal debt — e.g. the UK national average indebtedness being £54,197! What is the equivalent of the…
SarahWillis
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If a mutual fund did really well last year, then statistically speaking, is it likely going to do bad this year?

I am a looking at a specific fund that made a killing last year. I know that this is a speculative question, but I am interested whether what I am saying held true over the years. Does a mutual fund that perform really well one year tend to do bad…
AngryHacker
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What is the average value of a credit card or debit card transaction?

There are a plethora of statistics regarding credit card usage but what I can't seem to find is the the value of the average credit card (or debit card) transaction. Are such statistics provided by payment processing companies or is this information…
RLH
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Are there people who make a living of sports betting?

I know that the overall expected value of sports bet is negative, however this is not as straight forward a system as scratchcard for instance. I am not asking whether it is a good investment to put money in sports bet, I am just wondering if there…
PaoloH
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Estate taxes and the top 1 percent by net worth

According to this website, you need to have over 10 million dollars for your family to be in the top 1 percent by net worth. However, only about .2 % of estates pay estate tax. The cut off for the estate tax is about 11 million for a married couple.…
Bob
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When to use geometric vs. arithmetic mean? Why is the former better for percentages?

While computing the average price of a stock or index over a period of time, I have the choice between using an arithmetic mean or a geometric mean. Which should I use and when? I am reading a book on Trading Systems by Kaufman and he says: The…
Victor123
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How can I estimate the standard deviation

How can I estimate the standard deviation from stock graph without calculates, just from the graph
sara
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How do I calculate portfolio standard deviation in Excel?

How do I calculate a portfolio standard deviation given a return? If I have 3 portfolios with similar size of $300 million. Portfolio A : Expected Return % / Dollar Amount : 3.78% / $11.34m, Standard Deviation : 3.88% Portfolio B : Expected…
Fabian Tan
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