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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
How many 4 digit numbers are there in all?
10,000 of them, from 0000 to 9999.
However, most people would not count numbers with leading 0s, so that there would be 9000 4-digit numbers.
A standard die has no memory and so the probability of rolling an even number is always a half.
If you did not know that the die was standard and were using the fact that 7 out of 12 rolls were even as an empirical estimate for a loaded die then the answer is 7/12.
How do you find a positive set of numbers with median of 10 and mean 7?
The set {1,10,10} is one possible answer.
The set {1,10,10} is one possible answer.
The set {1,10,10} is one possible answer.
The set {1,10,10} is one possible answer.
Which set of characteristics will produce the smallest value for the estimated standard error?
That all observations are exactly the same.
What is the easiest to compute mean median or mode?
The mode is the only one of these measure which can be used with qualitative data: the mean or median are impossible to compute. Also, for a data set consisting of a relatively small number of observations of a discrete variable the mode or modal class is the easiest to find.
How many people visit colorado every year?
60 million people visit the state each year. Colorado has a huge tourism industry with their beautiful scenery and outdoor activities.
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An industry average is the average of all data values in the same industry. The data is used to compare a products profitability and growth.
How do you figure out your length of a cycle?
You count from the first day of your bleed until you bleed again, this is generally between 21-28 days :)
What are the four types of measurements?
According to Stanley Smith Stevens, the four levels of measurement are:
- nominal - for example counting balls of different colors
- ordinal - where the measured values have an order - for example small, medium, large
- interval - where a distance is defined between the measured values - for example, Celsius temperature
- ratio - where we can divide values and get a meaningful answer - for example length and weight
the 4 types of measurements are mass,volume,distance,and temperature
-ZOEY
What is an ouutlier effect on the median?
An outlier pulls the median towards it. For example
1,2,3 Median=2
1,2,3,7 Median=2.5
Using 9 18 20 24 only once make an equation equal 18?
(24-20) x 9 -18 =18
Two hours later!!! UGH!!! I need asprin!!! =)
What is the relationship between decision variables and the objective function?
In optimization models, the formula for the objective function cell directly references decision variables cells. In complicated cases there may be intermediate calculations, and the logical relation between objective function and decision variables be indirect.
How many combinations can be made using only two letters and two digits?
262/2*102/2 = 67600/4 = 16900
What is the use of resource allocation and wait for graph and difference between both?
nijera answr thik kore dao na...
