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Statistics

Statistics deals with collecting, organizing, and interpreting numerical data. An important aspect of statistics is the analysis of population characteristics inferred from sampling.

36,755 Questions

Find the probability of rolling a 10 with two dice?

Assuming that the random variable is the sum of the two numbers rolled, the answer is 3/36 or 1/12.

Uses of statistics in law?

1) When a company is charged with discrimination (e.g. racial or gender), the plaintiff must justify the claim. They typically quote the number of jobs filled and how many of each group (men vs women, white vs black, etc.) were awarded those jobs. Their aim is to show that a certain group (e.g. men or whites) got more of the jobs than they should have. Assuming women were 50% of applicants for a job but men were hired 75% of the time, they might use that as a (statistical) basis for a claim of discrimination. In all fairness, there could be many other reasons for a hiring or promotional bias, but that is beyond the scope of this answer.

2) Bias in application of the death penalty. There have been many claims that black males are given the death penalty more easily than others. Again, this is easily disputable, but that is beyond this scope.

3) Pollution. If cancer rates are (statistically) high around a chemical plant or fracking operation, this can be the basis of a law suit.

4) Education. Claims of "failing schools" are based on comparing student test scores.

5) DNA as evidence. To claim a match in DNA found at a crime scene vs the accused, the prosecutor explains that the chance of anyone matching is, for example, 1 in 100 billion, therefore the accused must be the one who committed the crime.

6) Options fixing. Many company executives were caught getting stock options on days when the company's stock price was surprisingly low based on its running average. By statistics, the prosecutor was able to show that the chance of this happening was vanishingly low, therefore the assignment date must have been chosen retroactively.

7) Accounting Fraud. Certain types of incomes have certain distributions, e.g. dollar amounts start with 1 (e.g. $1.50, $10.23) much more often than they start with 9 (e.g. $9.50, $9.23). So a non-standard distribution of dollar amounts in a database is a strong indicator of fraud.

What is chart point in excel?

It is an individual value within a chart, like on a line chart. The lines on the chart link the actual points that represent the values. Other types of charts have individual values so they can be referred to as points.

It is an individual value within a chart, like on a line chart. The lines on the chart link the actual points that represent the values. Other types of charts have individual values so they can be referred to as points.

It is an individual value within a chart, like on a line chart. The lines on the chart link the actual points that represent the values. Other types of charts have individual values so they can be referred to as points.

It is an individual value within a chart, like on a line chart. The lines on the chart link the actual points that represent the values. Other types of charts have individual values so they can be referred to as points.

It is an individual value within a chart, like on a line chart. The lines on the chart link the actual points that represent the values. Other types of charts have individual values so they can be referred to as points.

It is an individual value within a chart, like on a line chart. The lines on the chart link the actual points that represent the values. Other types of charts have individual values so they can be referred to as points.

It is an individual value within a chart, like on a line chart. The lines on the chart link the actual points that represent the values. Other types of charts have individual values so they can be referred to as points.

It is an individual value within a chart, like on a line chart. The lines on the chart link the actual points that represent the values. Other types of charts have individual values so they can be referred to as points.

It is an individual value within a chart, like on a line chart. The lines on the chart link the actual points that represent the values. Other types of charts have individual values so they can be referred to as points.

It is an individual value within a chart, like on a line chart. The lines on the chart link the actual points that represent the values. Other types of charts have individual values so they can be referred to as points.

It is an individual value within a chart, like on a line chart. The lines on the chart link the actual points that represent the values. Other types of charts have individual values so they can be referred to as points.

How do you find the average number in a set of numbers?

Add them together, then divide that total by the number of numbers in the set.

Are m and f mutually exclusive?

If by this you mean male and female then no. Although rare individuals with ambiguous characteristics do occur naturally in human and animal populations. Please see the wikipedia article entitled 'intersex' for more information.

What is the mean and median and mode of 22 36 9 27 3020?

The mean of the set of values is the average of all these values. Add up all the values and divide the sum by 5 to get:

(22 + 36 + 9 + 27 + 3020)/5 = 622.8

The mode is the number that occurs the most. There is no mode here since each term occurs once, but you can't have two modes occuring at the same number of times!

The median is found via determining the center of the set of the values in ascending order. Rearrange the values in that order to get:

9 , 22 , 27 , 36 , 3020

Then, the median is 27.

Does variance provide more information than standard deviation?

No. Because standard deviation is simply the square root of the variance, their information content is exactly the same.

What are the 5 number combination from numbers 1 to 56 small to biggest?

I hope this won't upset you, but there are 458,377,920 of them, (almost half a billion),

and there's no way that I or anybody else is going to give you a list.

If I could type one of them every second without stopping, it would take me

a little over 141/2 years to finish the list, and the website would choke.

What is the value of z in z 1755?

Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "times", "equals". There is no equation (nor inequality) in the question.

How do you solve Yield IRR. Deposit 2000. 7 years later you have 4706. What annual rate of return (IRR) did you earn?

The answer can be arrived at by using a compound annual growth rate (CAGR) calculator. In this case an initial deposit of $2,000 growing to $4,706 after seven years would equate to a 13 percent annual rate of return.

What would you do if your spouse is mean and controlling?

leave them and find someone who will love you and do anythign for you and never let them go and live happy for the rest of your life! or you could talk to your spouse and tell him what is going on adn how you feel and if he doesnt agree to change then forget him and get with prince charming!

-Natalie and Maritza!

thanks for your input but I've been with my spouse for 9 yrs we have a little girl that 8 yrs old but i do have other children from my previous relationship.i had this discussion with him yesterday because he accused me cheating with my boss or doing other things that I'm not .where i work at is insurance office and my bosses are husaband & wife their very good people.But he thinks really crazy .yes i do love him but i don't want to keep being in a relation if he told me he does not trust me everbody has a past .my past it's not good but i gone through hell to get where I'm at.keep in touch

Does studying Range median mode or mean help later in life?

Anything you learn tomorrow will be based upon something you learned today, and the stuff you learn today will be based upon the stuff you learned yesterday. There's really no way of predicting what information you will be required to learn in the future, so you better learn as much as you can today. Your first job or your next job may require you to know something about -- or to learn about -- statistics. Perhaps you will work for a political polling company, such as Rasmussen or Zogby, or a testing company, such as ETS. Or maybe you'll work for an engineering firm and be required to do a statistical analysis that requires an understanding of probability and statistics. Or maybe, you'll simply find yourself in a conversation at a highbrow party or a business function, where a basic understanding of math, including the parameters you mentioned, will be key to your understanding of what's being discussed. Maybe a politician who is running for office will cite data to impress you, but if you don't understand the rudiments of stats, you won't be able to tell whether he's telling the truth or is full of crap.

How long do you estimate a year to be?

It usually is 365 days unless leap year then it would be 366

How many ways could you get a sum of 3 when two dice are thrown?

Two ways- one on the first die, and two on the second die, and visa versa.