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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 you get a frequency?

The answer depends on the context: statistical frequencies are different from spectral frequencies.

What is the independent variable to the relationship between watching CNN and the fear of violent crime?

If the hypothesis is that watching CNN causes fear of violent crime then watching CNN is the independent variable.

If the hypothesis is that the fear of violent crime is likely to induce you to watching CNN, then fear of crime is the independent variable.

Does a correlation imply that one event causes the other event to occur?

Absolutely not! This is, unfortunately, a very common mistake.

For example, my age is pretty well correlated with the number of TV sets in the world. But my growing old does not make or sell TVs and the number of TVs in the world does not age me.

Why would a teacher use the medium instead of the mean as the average for the set of test?

because when you get the medium, you have to lay the numbers-or scores, in your case- in ascending order, and then you get the middle, which is just like the average

Three particular items to look for on a chart or graph are?

Description (title) of the chart so that you know what the chart is intended to display;

Labels for categories (or independent variable), with scale, if appropriate; and

Values for dependent variable with scale.

What are the chances of rolling a seven with 2 dices 2 times?

If they are normal cubes, the probability is 1, if you roll them often enough.

Why do you make a graph?

Graphs give you a pictorial version of numerical information. For most people, it is easier to perceive changes in information through images, rather than numbers.

What does it mean when someone integrates data?

Data integration is the practice of consolidating data from disparate sources into a single dataset with the ultimate goal of providing users with consistent access and delivery of data across the spectrum of subjects and structure types, and to meet the information needs of all applications and business processes.

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When You roll 1 die Find Pthe number rolled is odd?

Number of possible outcomes = 6

Number of outcomes that are odd numbers = 3

P = 3/6 = 50% .

What is the stem and leaf for the following numbers 436521470586692634417675526719817?

The question contains only one - very large - number. You cannot have a stem and leaf plot for just one number.

The question contains only one - very large - number. You cannot have a stem and leaf plot for just one number.

The question contains only one - very large - number. You cannot have a stem and leaf plot for just one number.

The question contains only one - very large - number. You cannot have a stem and leaf plot for just one number.

How many 4 digit numbers can be made to give the sum of 6?

If repetition of digits is allowed, then 56 can.

If repetition of digits is not allowed, then only 18 can.