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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 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.
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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.
What are the 8 possible out comes from tossing three coins using h for head and t for tails?
It's basically the binary numbers from 000 to 111 with h's and t's in place of the 1's and 0's:
ttt
tth
tht
thh
htt
hth
hht
hhh
When you are making 3 digit numbers with 3 digits how do you know you have found them all?
there should be six answers
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.
well, its a word i actually made up when I gave my friend a birthday card. My friend is very random, so, I wanted to put a really random term in it. Aka, Friggle. So, Friggle has been passed on down to alot of people and now, somehow, it has become a "sexual term" like a hump.
Remove (an application ) from a computer. Example: I had to uninstall it.
because they don't feel motivated to do their work and are to worried about fitting in instead of the long term effects of their poor time management
The acronym EAID can stand for several different things. This includes Election Assistance for Individuals with Disabilities, Evangelische Akademikerschaft in Deutschland, Equipment Authorized In-Use Details, and Environmental Assessment and Innovation Division.
What is the probability of making aType II error after rejecting the Ho at alpha05?
The answer depends on the test: z-score, t-statistic, chi-square, F-statistic or any one of the scores of non-parametric tests.
What is the smallest fraction you can write using each of the digits 4 8 9?
I offer 4/89 = 4/134,217,728 = 2.98*10-8 approx
Write a randomized algorithm to statistic in a set of n elements Select?
●Analyzing RandomizedSelect()■Worst case: partition always 0:n-1
T(n) = T(n-1) + O(n) = ???
= O(n2) (arithmetic series)
○No better than sorting!
■"Best" case: suppose a 9:1 partition
T(n) = T(9n/10) + O(n) = ???
= O(n) (Master Theorem, case 3)
○Better than sorting!
○What if this had been a 99:1 split?
If using numbers 1 through 5 how man different combinations can be made?
It depends on whether each number is used (a) at most once, (b) exactly once or (c) as many times as you like.
The answers are
(a) 5 + 5*4 + 5*4*3 + 5*4*3*2 + 5*4*3*2*1 = 5+20+60+120+120 = 325
(b) 5*4*3*2*1 = 120
(c) infinite
Is median used for when there is a wide range of numbers?
If the wide range is evenly spread between the very small and the very large (the distribution is symmetric) then there is not much to choose between the median and the mean. If not, the median will have some advantages as a measure of central tendency.
