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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 combinations of three out of thirty one?

If the sequence of the three makes a difference, there are (31 x 30 x 29) = 26,970.

If the sequence of the three doesn't matter, there are (31 x 30 x 29) / (3 x 2 x 1) = 4,495.

Whatr does the number 30 mean?

The number 30 is one more than 29 and one less than 31, it is also 6 lots of 5, 3 lots of 10 or 2 lots of 15

What is the median of 10 13 14 27 35 42?

There are six numbers, so the median is the mean of the third and fourth (when ordered).

Median = (14+27)/2 = 41/2 = 20.5

What is the largest three digit number using numerals 4 and 8?

Using only 8's & 4's and using each atleast once...884. Using all numerals and including 8 once and 4 once...984.

What do you do if your doing mean medain and mode and you have four numbers as your mode what do you do?

It is acceptable (and quite common) to have multiple values for the mode.

Examine the following data sample:

Number of pets per family on Main Street

1,1,1,1,1,2,2,2,2,2,3,3,3,4,4,5,9

In this case, the mode is {1, 2}

What is the definiton of a median?

irdk and irdc and all you gotta do is put ur finger down lmfao

What does current research indicate about narcolepsy?

Researchers are hopeful that new treatments will releive the genetic mutation. Also, a number of drugs are being tested to improve daytime sleepiness.

What rhymes with skew?

stew, spew, screw, chew, woo, moo, too, true

Is sociology more than statistics?

Sociology is the study of human behavior in a social environment and how social interaction relates to development of mental and physical abilities, as well as future success and failure. Statistics are near irrelevant to sociology because it is a very intuitive field of study. So yes, sociology is much more than statistics.

Why would someone want to assume that your sample data represents a population distrubution?

Most people take samples so that they may make estimates of parameters of interest: mean, variance, etc for the whole population. For such an estimate to have any validity the sample data must be assumed to represent a population distribution. Otherwise any conclusions based on the sample are valid only for the sample: hardly worth the effort!

Where the axes of the coordinate plane intersect?

(10,20)? Im not quite sure. That's what my classmate said.