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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.

36,756 Questions

What is also called an axiom?

In classical studies, it is also called a postulate.

What is mean by ironical?

When you are a firefighter and you return home from a fighting a fire and you find your own home has burned down.

What does isokinetic mean?

Exercise with possible varying resistance and a fixed maximum speed.

In exercise terms it is a motion during which the speed is set and the resistance is variable. If the person does not achieve the pre set speed the exercise is classed as isotonic

This was on my homework............. Are there an infinite amount of multiples of 11 that have an odd digit sum?

Yes! Any multiple of 11 that is in the form of 11x10^n +209 will have an odd digit sum and will be divisible by 11. 209 is divisible by 11, and 11X10^n is too. Remember that n has to be over 1,000 for it too work.

ex. 11x10^5+209=1100209.

1100209/11=100019

How do you claculate a z score given a percentlie of 67?

Unless you are a very advanced mathematician, you cannot calculate it. You have to look it up in a table.

What is the fraction for the 45 percent?

The fraction for 45% is 45/100 or 450/1000 or 4500/10000, and finally 45000/100000. Also, reduced to lowest terms, it is 9/25.

If you flip a coin 150 times how many times could it land on heads?

It could land on heads any number of times between zero and 150.

The most probable result, if the coin is honest and balanced, is 75 times.

Do teens wear their seatbelts most of the time?

They would be crazy not to. In most states seat belts must be worn whenever the vehicle is moving.

How many music stands are sold per year?

There is no exact number of music stands that are sold per year. However, music is very popular and is still taught in schools. It is possible that tens of thousands of music stands are sold per year.

How many decimetres are there in 3 feet 11 inches?

There are 0.254 decimetres in one inch. There are 12 inches in one foot. Therefore, 3 feet 11 inches is equal to (3 x 12 x 0.254) + (11 x 0.254) = 11.938 decimetres.