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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 3 digit numbers have exactly 2 digits that are the same?

We have three cases:

1- Hundreds digit= Tens digit:

In every hundred 9 numbers are in this pattern:

110-112-113-114-115-116-117-118-119

and we have 9 hundreds, so in this case there are 81 numbers.

2- Hundreds digit= Units digit:

In every hundred 9 numbers are in this pattern:

101-121-131-141-151-161-171-181-191

and we have 9 hundreds, so in this case there are 81 numbers!

3- Tens digit= Units digit:

In every hundred 9 digits are in this pattern:

100-122-133-144-155-166-177-188-199,

and we have 9 hundreds, so in this case there are 81 numbers!

Total = 81 + 81 + 81 = 243

How many combinations of 4 numbers are there in 7 numbers?

Oh, isn't that a happy little question? Let's see here... To find the number of combinations of 4 numbers out of 7, we can use a simple formula: 7 choose 4, which is calculated as 7! / (4! * (7-4)!). So, there are 35 unique combinations of 4 numbers that can be made from a set of 7 numbers. Isn't that just delightful?

What is a 17 digit number called?

A 17-digit number is typically referred to as a "seventeen-digit number." In mathematics, it would be classified as a whole number or an integer with 17 digits. In computing, a 17-digit number may be represented as a data type such as a long integer or a double-precision floating-point number.

How many of each digit in numbers 1 through 50?

Well honey, in numbers 1 through 50, each digit from 0 to 9 appears 5 times. It's simple math, darling. Just divide the total number of digits by 10 and you'll get your answer. Now go impress someone with your newfound knowledge, you're welcome!

What are the odds of rolling 5 of akind with 5 dice?

The odds of rolling five of a kind with five dice is 1 in 1296.

The first die is going to roll something, so the odds are 1 in 1. Each of the other dice have a probability of 1 in 6 of matching the first die, so the resultant probability is (1 in 1) times (1 in 6) to the fourth power.

What do scientists do with their data?

Scientists use their data to analyze, interpret, and draw meaningful conclusions that advance knowledge in their fields. They start by cleaning and organizing the data to ensure accuracy. Next, they apply statistical methods, models, or algorithms to uncover patterns and trends. Using tools like Python, R, or specialized software, scientists visualize data through charts and graphs to communicate findings effectively. Platforms like Uncodemy offer comprehensive training in data science and analytics, equipping learners with the skills needed to process and analyze data like a pro. Scientists validate results, publish findings, and use data for predictions and real-world problem-solving.

How quality control works in statistics?

Statistics involves numbers and the source of the numbers. The analysis of the collected numbers are not representative of the true goal of determination unless there is a quality control feature in collecting the numbers/statistics.

For example, a person running for an officially elected position in government may wish to know the chances of a successful campaign based on a survey of the most salient issues.

This can be accomplished through a poll of the people in the electoral district the person wishes to represent. The mass media informs the candidate that consumer prices are important to the people he or she wants to represent. Therefore a good place to find "quality" opinions would be shopping malls. The candidate therefore targets these places to obtain consumer opinions rather than simply knocking on doors of people in the electoral district. Both places will yield results, however quality results are best found among active shoppers in malls.

All numbers that add up to 24?

To find all numbers that add up to 24, we can start by listing pairs of numbers that sum to 24. These pairs include (1, 23), (2, 22), (3, 21), and so on. Additionally, we can include negative numbers in our list, such as (-1, 25) and (-2, 26). Overall, there are infinite combinations of numbers that sum up to 24, including fractions and decimals.

What was the price housing in 1948?

Though housing prices are highly dependent on many factors such as geographical region, proximity to services, size of house, features of house, etc., the approximate cost of a house in 1948 was about $13,500.

What is a unit digit?

A number is made up from digits in the numeral system. We often use the decimal system in which we use 10 digits, In writing the any number, many digits are used, even repitation of digits. when we write any number using the digits, the last digit ( from right side ) in that number is called unit digit. for example in the number 9814868980, here 0 is called unit digit.

What are the application areas of industrial management?

Industrial management encompasses a wide range of application areas, including production planning and control, quality management, supply chain management, project management, and operations research. These application areas are crucial for optimizing processes, reducing costs, improving efficiency, and ensuring the overall success of industrial operations. Industrial management techniques are utilized across various industries such as manufacturing, construction, healthcare, and transportation to streamline operations and achieve organizational goals.

What is bilateral bar diagram and its illustration?

Oh honey, it's not "bilateral bar diagram," it's a "bar chart." It's a fancy way of showing data using rectangular bars to represent the frequency or size of each category. Think of it as a visual way to compare different groups or values in a snazzy, straightforward manner. Just slap those bars on a graph and voilà, you've got yourself a snazzy illustration of your data.

What does sigma stand for in six sigma?

its a statistical term for standard diviation.

in normal distribution if there are six standard deviations between the process mean and the nearest specification limit, then there is a 99.99966% probability that no items will fail to meet specifications .

In six sigma 1.5 sigma correction is considered to allow the natural variation present in any process. So when we say that process is sis sigma , it is nactually 4.5 sigma.

How many digits in 100 thousand?

100,000.00

either 5 or 7, depending if you count the change places

What is a 100 digit number called?

A 100-digit number is called a "centillion." In the scientific notation, it would be represented as 1 x 10^100. This means that the number is 1 followed by 100 zeros. The term "centillion" is derived from the Latin word "centum," meaning a hundred, and the suffix "-illion" denoting an extremely large number.

How many combinations on 3 number lock?

Oh, what a happy little question! On a 3-number lock, there are 1,000 possible combinations. Isn't that just wonderful to think about? Just remember to take your time and enjoy the process of finding the right combination, like painting a beautiful landscape!

How many 9 digit combinations can be made from the numbers 123456789?

Oh, dude, let me grab my calculator for this super thrilling math question. So, you've got 9 numbers and you're trying to figure out how many ways you can arrange them. That's like 362,880 combinations, but who's counting, right? Just a casual number of possibilities for your 9-digit number extravaganza.

What is the largest even number using digits 1 2 3 4 5 6 7 8 9?

To create the largest even number, we should place the highest digit in the most significant place value to maximize its value. The highest digit available is 9, so we should place it in the leftmost position. Following this logic, the largest even number using the given digits is 987654321.

What two numbers can you multiply and get 216 and then add the same numbers and get 15?

Let's denote the two numbers as x and y. We have the equations xy = 216 and x + y = 15. By solving these equations simultaneously, we can find that the numbers are 9 and 24. This is because 9 multiplied by 24 equals 216, and 9 plus 24 equals 15.

How many 4 digit combinations can be made with 4 digits?

9,000 - all the numbers between 1,000 and 9,999 inclusive.

* * * * *

NO. Those are PERMUTATIONS, not COMBINATIONS. Also, the question specified 4 digit combinations using 4 digits. The above answer uses 10 digits.

If you start with 4 digits, you can make only 1 combination.

What is the units digit of 8 to the power of 50?

8 to the first power ends with 8.
8 to the second power ends with 4 (8x8 = 64).
8 to the third power ends with 2 (8x4 = 32).
8 to the fourth power ends with 6 (8x2 = 16).
9 to the fifth power ends with 8 (8x6 = 48).

After this, the cycle repeats.

How are the numbers on a dice arranged?

A normal die has the numbers 1,2,3,4,5 and 6 on its faces. The numbers are arranged so that those on opposite faces of the die sum to seven. This then means that the number 1,2 and 3 share a vertex. When viewed from above the vertex, these three numbers usually go in a counterclockwise direction. This is a right-handed die. Left-handed dice, where the three numbers are in a clockwise configuration, also exist.

What does APEC mean?

Oh, dude, APEC stands for Asia-Pacific Economic Cooperation. It's like this big group of countries in the Asia-Pacific region that come together to talk about economic stuff. So, yeah, it's basically a fancy way of saying they're all getting together to chat about money and trade and all that jazz.

How do you say 100000000000000000?

Oh, dude, that's a big number! So, like, you'd say 100,000,000,000,000,000 as "one hundred quadrillion." Yeah, it's a mouthful, but hey, numbers gotta number, right?