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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 do find the median of four numbers that are not the same?
You would add the two numbers in the middle and divide them by two and the answer would be the median.
Why are unequal class intervals sometimes used in Frequency distribution?
Because sometimes adjacent classes have to be merged so that the frequencies are not too small. This is important if anonymity is to be preserved. It is also important for statistical testing.
Tonypandy is a town in south Wales (United Kingdom). For more about it you might wish to read its page on wikipedia.
How do you find the median if you have 3 numbers?
Add the 3 numbers together, and then divide the total by 3. This will give you the median number.
What scale is a yes or no question on?
A yes or no question typically operates on a binary scale, representing two distinct options: "yes" or "no." This scale is often used in surveys, decision-making processes, and research to simplify responses and gather clear, straightforward data. It allows for easy analysis and interpretation, as respondents can only choose one of the two alternatives.
When you format a disk, you just wipe the filesystem tables and create a new one in its place. The data that contained in the previous filesystem still remains, just not marked. It will remain until marked again in the current filesystem tables or overwritten.
What do you call all possible outcomes of an experiment?
All possible outcomes of an experiment is known as a sample space. This will include an exhaustive list of all the possible results to be achieved.
What is the difference between sample and sampling?
sample is a noun. sampling is a verb.
Statistically speaking, a sample is where we gather and examine part of a population. A sampling is where we take the means of samples in order to gather info about the whole...
What type of data would need to be collected to conduct a t test?
What type of data would need to be collected to conduct a test and why?
It's another word for universe.
Also, the total or entire complex structure of something.
How do you use a Southwell Plot to estimate the critical load and initial imperfection of a column?
The Southwell Plot method enables you to test a column in a non-destructive manner so that its buckling behaviour can be determined.
If we look at the Southwell Plot equation:
P/y = 1/Pcr * y + a/Pcr
Here we have:
P = Applied load
y = mid-height displacement
Pcr = Critical buckling load
a = initial mid-height deformation (or imperfection as you called it)
Using test data, you can plot a graph with P/y along the y-axis and y along the x-axis. This will give you a slope of 1/Pcr and an intercept at y=0 of a/Pcr. From there the value of 'Pcr' and 'a' can be determined.
It is interesting to see how the slope of this curve is often very linear, especially for elastic buckling cases. It is for this reason that you do not need to test a column to failure.
Jack tosses a coin thirty times how many times would you expect the coin to land tails side up?
About 15 times - half of 30. This will not necessarily be the exact value; just the long-term average if you do the experiment many, many times.
About 15 times - half of 30. This will not necessarily be the exact value; just the long-term average if you do the experiment many, many times.
About 15 times - half of 30. This will not necessarily be the exact value; just the long-term average if you do the experiment many, many times.
About 15 times - half of 30. This will not necessarily be the exact value; just the long-term average if you do the experiment many, many times.
Prob of heads = 1/2
Prob of 3 = 1/6
Prob of both = 1/2 x 1/6 = 1/12
What is different between exlusive limit and inclusive limit?
Class intervals are of two types; exclusive and inclusive. The class interval that does not include upper class limit is called an exclusive type of class interval. The class interval that includes the upper class limit is called an inclusive type of class interval.
Example:
Inclusive series is the one which doesn't consider the upper limit, for example,
00-10
10-20
20-30
30-40
40-50
In the first one (00-10), we will consider numbers from 00 to 9.99 only. And 10 will be considered in 10-20. So this is known as inclusive series.
Exclusive series is the one which has both the limits included, for example,
00-09
10-19
20-29
30-39
40-49
Here, both 00 and 09 will come under the first one (00-09). And 10 will come under the next one.
How do you know where the first digit will be in the quotient when dividing a 3 digit number?
In the highest place value.
How much does a serum hcg quantitative test cost vs a qualitative?
test is to diagnose viability of pregnancy and site of pregnancy(up to some extent) its cost about 250 indian ruppes(5-6 US $) only.
Number of possible ways for one cube to fall = 6 .
Number of those possibilities that show a nmumbver less than 6 = 5 . (1, 2, 3, 4, and 5)
Probability of rolling a number less than 6 = 5/6 = 831/3 %
Does a symmetrical distribution have a variation?
Yes. The distribution can be compact (centred tightly around the mean) or spread out. It can have a peak in the centre or two peaks at each end, or other variations.
Totally has the hots for you. GOOD LUCK;)
How many 4 digit numbers can be formed by the digits 2 4 6 8 once in each numeral?
This question can be answered regardless of what digits are used. If there are four options for the first digit, then there are only 3 options for the second digit, and 2 options for the third. There are no options left for the fourth and final digit. So, the answer is 4! (or four factorial).
