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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

What displays two sets of data on the same graph?

Almost any chart can be used.

A circle or pie graph (use a circle and a concentric annulus),

Clustered bar or columns,

A scatter plot with different symbols

A double line chart,

Areas,

etc

What do you do when a median has 3 same numbers?

Then that number will be the median. For example, if your set is 4, 4, 19, 20, 23, 23, 23, 43, 62, 76 and 89, then the second 23 is the middle number, and so it is the Median.

What is the least three digits numbers that is divide by both numbers 5 and 9?

LCM of 5 and 9 is 45. Find the smallest multiple of 45 that is greater than or equal to 100. 45 x 2 = 90, 45 x 3 = 135

What are the odds or probabilty of winning 64 billion people and 4 billion winners?

If you mean there will be 4 billion winners from a population of 64 billion people - the odds are 16:1

How many quarters must you randomly select and weigh if you want to be 99 percent confident that the sample mean is within 0.025g of the true population mean for all quarters?

It is not possible to answer the question without some information about the variability in the mass of the coins.

If you have a rubbish mint and the masses vary a lot then you will need a much greater sample than if the mint operates effectively.

What does lowa mean?

Iowa is one of the states in the United States of America. It is one of 50 of these political units. More information is available on its wikipedia page.

What is the definition of mode median an range in math?

mode is the most occurring number in your values.

Median is the middle number so if you write out all your numbers from smallest to largest it is the number in the middle or a quicker way is just to half your total number of values and use that to find the middle number. e.g if you had 1 2 3 4 5 6 7 8 9 10 you would half 10 to give 5 then find the fifth number which is 5.

the range is the largest number of all your values take away the smallest value. so if you had 1 2 3 4 5 6 7 8 9 10 your range would be 9 (10-9=1)