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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

The diameter of the moon is approximately one fourth of the diameter of the earth find the ratio of their surface areas?

Since the scale factor of the moon to the earth is 1:4, then the ratio of their areas will be the scale factor squared or 1:16. The ratio of their volumes will be the scale factor cubed or 1:64.

How many combinations are there with 5 numbers?

5*4*3*2*1 = 120 combinations.

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No. The previous answerer has confused permutations and combinations.

There are only 25 = 32 combinations including the null combinations.

There is 1 combination of all 5 numbers

There are 5 combinations of 4 numbers out of 5

There are 10 combinations of 3 numbers out of 5

There are 10 combinations of 2 numbers out of 5

There are 5 combinations of 1 numbers out of 5

There is 1 combination of no 5 numbers

32 in all, or 31 if you want to disallow the null combination.

What are the different symbol use in flow chart?

Os fluxogramas utilizam uma variedade de símbolos padrão para representar diferentes tipos de atividades, processos, decisões e fluxos de informações. Esses símbolos facilitam a compreensão do fluxo de trabalho ou processo representado. Aqui estão os símbolos mais comuns usados em fluxogramas:

  1. Oval (Elipse ou Círculo)

Significado: Início ou Fim de um processo.

Uso: Indica onde o processo começa e onde termina.

Exemplo: "Iniciar" ou "Fim".

  1. Retângulo (Processo)

Significado: Representa uma etapa ou atividade do processo.

Uso: Descreve ações específicas que precisam ser executadas.

Exemplo: "Enviar e-mail", "Calcular valor".

  1. Losango (Decisão)

Significado: Ponto de decisão, geralmente com opções como "Sim" ou "Não".

Uso: Representa bifurcações no processo com base em condições ou perguntas.

Exemplo: "Pagamento aprovado?" → "Sim" ou "Não".

  1. Seta (Fluxo ou Conector)

Significado: Indica a direção e sequência do fluxo do processo.

Uso: Conecta os elementos do fluxograma para mostrar o caminho do processo.

Exemplo: Uma seta conectando "Início" a uma etapa seguinte.

  1. Paralelogramo (Entrada ou Saída de Dados)

Significado: Representa entrada ou saída de informações.

Uso: Para ações como receber ou fornecer dados.

Exemplo: "Inserir dados" ou "Exibir relatório".

  1. Círculo (Conector no mesmo fluxograma)

Significado: Conector dentro do mesmo fluxograma.

Uso: Para indicar a continuidade do fluxo em uma área diferente do diagrama.

Exemplo: Usado quando o fluxograma é muito longo e precisa ser segmentado.

  1. Pentágono ou Hexágono (Conector fora do fluxograma)

Significado: Conector para outra página ou outro fluxograma.

Uso: Quando o processo se conecta a outro sistema ou diagrama.

Exemplo: "Continuar no fluxograma B".

  1. Retângulo com Laterais Arredondadas (Subprocesso)

Significado: Representa uma etapa que é detalhada em um subprocesso separado.

Uso: Para simplificar fluxogramas complexos.

Exemplo: "Processar pedido" (detalhado em outro fluxograma).

Esses símbolos são padronizados por organizações como a ANSI (American National Standards Institute) e a ISO (International Organization for Standardization), garantindo que fluxogramas sejam consistentes e compreensíveis universalmente. Ferramentas de software, como Microsoft Visio, Lucidchart e até PowerPoint, geralmente seguem esses padrões.

What is the mode of the scores 5 5 6 6 6 7 7 7 7 7 8 8 8 8 8 8 9 9 9 10 10?

Well, isn't that just a lovely array of numbers? The mode is the number that appears most frequently, like a happy little bird singing its song. In this case, the mode of these scores is 8, because it appears the most with a total of 6 times.

How numbers greater than 50000 can be formed with digits 3 4 5 6 7 0 if the number are even without repetitions?

To form even numbers greater than 50,000 using the digits 3, 4, 5, 6, 7, and 0 without repetition, we need to consider the position of the digits carefully. Since the number has to be even, the last digit must be 0. The tens digit must be even to ensure the entire number is even, so it can be either 4 or 6. The thousands digit must be 5 to make the number greater than 50,000. Therefore, the only number that fits these criteria is 56,340.

How many 5 number combinations are there for numbers between 1-45?

Well, honey, there are 1,221,759 different 5-number combinations you can make from numbers between 1 and 45. So, if you're feeling lucky and wanna try your hand at the lottery, those are your odds. Good luck, sweetie!

N number of times means?

In the phrase "N (or n) number of times," n is simply a variable that represents the number of times that something is to be done. When the letter n specifically is used (as opposed to x or some other letter), it is most often referring to the number of values in a particular sample (n) or population (N). So if, for example, a data set contained 10 values, then the phrase "n number of times" would be referring to something being done to that data set 10 times.

What 4 numbers have a mean of 5 and a median of 6?

Oh, what a happy little math question we have here! To find the four numbers, we can start with the median, which is 6. We can then choose two numbers less than 6 and one number greater than 6 to balance it out, like 4, 5, 6, and 7. This way, when we find the mean by adding them up and dividing by 4, we get 5. Happy calculating!

What are the What is the difference between research and survey?

Research - diligent and systematic inquiry or investigation into a subject in order to discover or revise facts, theories, applications, etc.

Survey - make a survey of; for statistical purposes

How many 5 number combinations are there for 59 numbers?

Oh, what a lovely question! To find the number of 5-number combinations from 59 numbers, we can use a formula called combinations. It's like mixing colors on your palette! The formula is nCr = n! / r!(n-r)!, where n is the total numbers (59) and r is the number of selections (5). So, for 59 numbers choosing 5 at a time, there are 5,006,386 unique combinations waiting to be discovered! Just imagine all the beautiful possibilities that can come from those combinations.

How many combination of 5 numbers are possible from 1 to 49?

To calculate the number of combinations of 5 numbers possible from 1 to 49, we use the combination formula, which is nCr = n! / (r!(n-r)!). In this case, n = 49 (total numbers) and r = 5 (numbers chosen). Plugging these values into the formula, we get 49C5 = 49! / (5!(49-5)!) = 1,906,884 combinations.

What is the probability of getting 6 numbers in a lottery of 40 numbers?

Think of watching the lottery draw. You have 6 numbers and there are 40 to draw from.

On the first pick, you have a 6/40 chance of getting a match.

If you're successful, then on the second pick you have a 5/39 chance on the next pick (because one number is gone from your card and the draw), and so on.

Because all of the events are required to happen for you to get your 6 numbers, we multiply the individual probabilities together to get the overall probability.

6/40 x 5/39 x 4/38 x 3/37 x 2/36 x 1/35 = 1/3838380

So the chance of getting all six numbers is a little better than 1 in 4 million.

What is the next number in this series 3 6 4 7 5 8?

The series alternates between adding 3 and subtracting 2. Starting with 3, adding 3 gives 6, subtracting 2 gives 4, adding 3 gives 7, subtracting 2 gives 5. Following this pattern, the next number would be obtained by adding 3 to 5, resulting in 8.

What can you multiply to get 24?

To find the factors that multiply to 24, we need to consider all possible combinations. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. Therefore, you can multiply 3 and 8 to get 24, as well as 4 and 6. These pairs are the factors of 24.

What are all the two digit beprisques?

Oh, dude, the two-digit beprisques are numbers from 10 to 99. You know, like 10, 11, 12, all the way up to 99. So, if you ever need to pick a random two-digit number for, like, a secret code or something, just choose any number between 10 and 99. Easy peasy!

What does aquos mean?

The Sharp Aquos is a range of LCD televisions and component screens made by Sharp Corporation of Japan. The made-up word Aquos sounds like it means "water" and references the liquid display.

What is the 1 digit accuracy of 61.75?

The number 61.75 has what a scientist would refer to as four significant digits. If you only were able to be accurate to a single digit, then you would approximate that amount to 60, or 6 times ten to the first power.

Why is there a 6 in spearman rho formula?

The number 6 in the Spearman's rank correlation coefficient formula is a constant used to standardize the formula and make it more interpretable. It helps to scale the formula so that the resulting correlation coefficient falls within the range of -1 to 1, which indicates the strength and direction of the relationship between the ranked variables. Essentially, the 6 in the formula is a mathematical adjustment that ensures the correlation coefficient is properly calculated and comparable across different data sets.

How many red 2's are in a deck of cards?

A standard deck of cards contains 52 cards, which includes 4 suits - hearts, diamonds, clubs, and spades. Each suit has one red 2, specifically the 2 of hearts and the 2 of diamonds. Therefore, there are two red 2's in a deck of cards.

What is the reference book that gives current information about statistics?

The reference book that provides current information about statistics is typically known as a statistical handbook or almanac. These resources contain a wealth of data, tables, and explanations on various statistical concepts, methods, and analyses. Examples of popular statistical handbooks include "The Statistical Abstract of the United States" and "The Handbook of Statistics." These books are essential for researchers, analysts, and students looking for reliable and up-to-date statistical information.

How many people did El Misti volcano kill during its eruption?

The eruption of El Misti volcano in 1440 is estimated to have killed approximately 70,000 people. This devastating event had significant impacts on the surrounding region and is considered one of the deadliest volcanic eruptions in South American history. The eruption caused widespread destruction and loss of life, highlighting the destructive power of volcanic activity.