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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

How many 9 digit combinations are there for numbers 0 through 9?

That's exactly all the numbers you need to count from 000,000,000 to 999,999,999.

There are one billion of them.

What are the uses of statistics in the field of sports?

Improve personal or team performance by looking at the weak areas.

See the opponent's poor stats and concentrate in attacking their weak areas.

It is used in betting to attract customers with better odds.

For the clubs safety reasons when pitting a team or a player against certain team, players or environment and certain predicted performance will occur.

For example, two players have a bitter rivalry from previous matches, and the likelihood for fouls between the pair are very likely, and it can be used to gain the upperhand or used in betting for first card to be received etc.

What type of graph is best to compare groups?

compare and contrast chart which is two circles linked together on the sides the differences and the middle the same things

What is the probabilityof rolling a 2 on one roll of a die?

On a standard 6 sided die then the probability would be 1/6 if it is a 12 sided die then it would be 1/12 it varies by how man sides of the die there are.

How many ministers are there in USA 2011?

I seriously doubt that there are ANY government statistics kept on this figure - mainly due to the Constitutionaly required separation between church and state.

What are two problems with the one-time pad?

The two problems are; 1. The One time pad needs to be truly random. Pseudo random generators are quick however they can be predicted.

The second is practicability of being able to transmit the number of keys securely to the receiver.

For every bit of plain text, there is also 1bit of key.

What would be a coefficients of the expansion of the Pascal's Triangle?

its so simple....

1

1 1

1 2 1

1 3 3 1

1 4 6 4 1

1 5 10 10 5 1

.........................................

that is pascal's triangle coeffient law......just sum the two numbers and answer is yours

How much time does the average person spend on the toilet in a lifetime?

1/2 years or more. If you have bladder issues could be up to 4 years.

How are period and frequency related?

I'm pretty sure they're related because the period is the reciprocal of the frequency, and the frequency is the reciprocal of the period...but I'm not sure WHY yet :P hope I could hrlp

What does 90 degrees mean?

That one object is situated perpendicularly to another.

Telephone poles are 90 degrees to the earth if installed properly and don't lean.

When you are seated with both feet on the floor your knees are bent at approximately 90 degrees.

This answer applies to geometry rather than temperature.

Since the question is in cars and vehicles Im going to assume you are talking about torquing instructions where it says turn 90 degrees. Put your wrench on the bolt and imagine the handle is a clock arm, move it from 12 to 3 or 3 to 6. 90 degrees is 1/4 of a turn.