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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 4-digit codes can be created if no number can be repeated?

If you consider each set of 4 digits as a unique code regardless of numeric order (the code 0123 would be counted as a different code than 0132, 0213, 0231, 0312, 0321, 1023, 1032, 1203, 1230, 1230, etc.), there are 3,528 possible codes in the base 10 system containing the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

What is force summation?

Force summation is the combining of the correct timing and sequencing of large muscles to smaller ones will result in a good throw.

For example, like in a shot put throw, the larger muscles (quadriceps) are required to flex the knee, then the energy is moved through to the gluts to extend the leg. Before energy is lost from a muscle group, the next largest comes, creating max force. The energy is then moved to the abdominals, the pectorals, then finally the biceps to give the shot put a forceful throw.

Difference between transcriptional error and transpositional error?

A transcription error is a specific type of data entry error that is commonly made by human operators but a transposition is the process of representing oral text in a written format

What are the most expensive cities in the world?

Top 10 according to the latest UBS report.

  1. Oslo
  2. Zurich
  3. Geneva
  4. Copenhagen
  5. Stockholm
  6. Tokyo
  7. Sydney
  8. Helsinki
  9. Toronto
  10. Singapore

How did the victims on Friday the 13th get killed off screen?

Out of the 10 deaths in Friday the 13th, the ones that took place off-screen were Claudette (the camp counselor in the very beginning of the movie) who was stabbed to death off-screen. Then, there was Ned whose throat was slashed off screen. Next up was Brenda, who was killed off-screen. I believe she was shot with a bow and arrow while on the archery range. And finally, there was Bill, who was found pinned to a door with arrows.

Why does a high beta stock or portfolios do not produce higher return?

There are many other factors involved in achieving high returns other than Beta. These include

- Technical Analysis

- Other fundamental analysis variables

- The condition of the broad market (indices, individual blue chip or market moving stocks)

To go a step further, if you consider the nature of markets it would be clear that there isn't any one, simple thing that determines if you will earn high returns in any financial instrument. This is because as soon as it is known that any given variable could mean the stock price will move up what you see is the market almost immediately pricing this variable into the stock price. There is a huge argument over what is called the efficient market hypothesis and what economists like Schiller refer to as irrational market behavior.

What happens to the correlation when a high outlier is removed from a data set?

The answer will depend on whether the outlier is determined on the basis of one variable or both variables.

What is the median for 84 83 82 87 68 74 91 95 98 88 74 66 85 100 91 62 93 91?

The median is the average of 85 and 87, that is 86.

The median is the average of 85 and 87, that is 86.

The median is the average of 85 and 87, that is 86.

The median is the average of 85 and 87, that is 86.

What does polyanish mean?

You may mean the term pollyannaish. This is an adjective that describes a person that is overly optimistic and cheerful even in the face of disaster. The character of Pollyanna is taken from the stories of E.H. Porter (1868-1920). I recently used this term to apply to a colleauge trying to see the bright side in respect to the current economic turmoil.

What is the mean median and mode for these numbers 13 16 12 11 18 20?

Mean - 15 ( Add them all together and divide by how many #'s you have. )

Median - 14.5

No mode (mode is number that appears the most)

What is the 90th percentile?

90th percentile is simple another way of saying that 9% scored above and 90% scored below (the other 1% being the number 90).

For example, if you take a type of standardized test in high school, if you do well, you are at the 90th percentile, meaning 90% of students scored lower than you and 9% scored better. You can not be in the 100% percentile, because you cannot score better than yourself.

How do you figure the percentage of what was 82 but now is 76?

The question is ambiguous, but if you mean 76 is what percentage of 82, then (76/82)X(100)=93% rounded

What is a word meaning in regards to?

The word is re Concerning; considering; or regarding per·tain intr.v. per·tained, per·tain·ing, per·tains

# To have reference; relate: evidence that pertains to the accident. # To belong as an adjunct, part, holding, or quality. # To be fitting or suitable.