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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
What kind of graph would you use to display data about temperatures for a week?
probably orographic bar graph would work the best!
What does these numbers have in sequence 1 2 4 3 6 8 7 14 16?
It's a four step sequence. 1 is called the initial/start or seed number.
Start with 1
....................................................
Step 1 : Double the previous number
Step 2 : Add 2
Step 3 : Subtract 1
Step 4 : Return to Step 1
16 occurs after Step 2 so it is followed by 15,30,32,31,62,64.........etc
If a die is rolled once what is the probability of rolling a 3 or 4?
Since there are two desired outcomes out of six - the probability becomes 2/6 or 1/3.
I'd say it is rather 2/6 or 1/3...
What are all the possible ways of making a 4 digit code formed by the numbers 0 1 2 3 4 5 6 7 8 9?
If the code has to be four different digits the there are 10 x 9 x 8 x 7/ 4 x 3 x 2 ie 210 possibilites.
If repeated digits are permitted then there are 10 to the fourth ie 10000 possibilities, as each part of the code can be any of the 10 digits.
Populations of all the species in one area?
The populations of all the species in a specific area are referred to as a community. This community consists of various organisms, including plants, animals, fungi, and microorganisms, all interacting with one another and their environment. The dynamics of these populations can be influenced by factors such as resource availability, predation, competition, and environmental changes. Understanding these interactions is crucial for studying ecosystem health and biodiversity.
What does the term 'sooner or later' mean?
Timing not exactly known...as in something that will most certainly happen, perhaps soon and if not, then later.
Can standard deviation be above 10?
Yes, depending on the data being studied. Standard deviation can be thought of as the magnitude of the average distance between the data points and their mean.
Using the numbers 1 through 9 make a frcation that equals one third?
2 sixths
3 ninths
is tht what you mean?
What if the median has two numbers in the middle and they aren't the same?
You would add them together and then divide the sum by two.
Can increasing sample size reduce random error?
Random error and sample size have an inverse relationship...As sample size INCREASES random error DECREASES.
There's a good explanation at the related link.
What is 11 over 13 as a percentage?
Expressed as a percentage, 11/13 x 100 = 84.615384 recurring (that is, 84.615384615384...) percent.
If a dice is rolled what is the probability that a 2 will come up?
there are 6 faces of the dice
so the answer is 1/6
What is the expected outcome of a hypothesis?
what is expected is to see if the outcome of the factor increases or decreses
false
What does the term residual mean?
Let's say that you fit a simple regression line y = mx + b to a set of (x,y) data points. In a typical research situation the regression line will not touch all of the points; it might not touch any of them. The vertical difference between the y-co-ordinate of one of the data points and the y value of the regression line for the x-co-ordinate of that data point is called a residual.
There will be one residual for each data point.
To see some labelled diagrams of residuals search images.google.com for residuals.
What is the mode median and mean of 10 25 25 30 35 35 50?
The mode is 25 and 35.
The median is 30.
The mean is 30.
What are limitations in using cluster sampling technique?
In a cluster sample, researchers divide subjects into strata (like cities, for example), randomly select a few strata (draw the names of a few cities from a hat) and sample every subject in those strata (question everyone in that city.)
A significant disadvantage is that you may select strata that completely overlook a feature relevant to your study.
If your study polled "What is the importance of agriculture to our country's economy?" and you questioned people from New York, Chicago, Detroit, and Los Angeles, your data may be bias because it does not include opinion from more rural areas.
What 2 digit number has a remainder of 3?
20 if you divide by 17. 19 if you divide by 16. 18 if you divide by 15, 17 if you divide by 14. And so on. In fact any number from 10 to 99. That is, every two digit number.
