When subtracting negative numbers, remember that two negatives equal a positive. Change the two negative signs into a positive. -10 – (-4) becomes -10 + 4. You can use mental math or a number line to get -6 as your answer. Question 2: What is -4 x 5? Question 3: What is -...
The harmonic mean is calculated by dividing the number of observations, or entries in the series, by the reciprocal of each number. In contrast, the arithmetic mean is simply the sum of a series of numbers divided by the count of numbers in that series. The harmonic mean is equal to the...
Also, for any , is real, hence equal to . Thus we have a norm Since the real numbers commute with all quaternions, we have the multiplicative property . In particular, the unit quaternions (also known as , , or ) form a compact group. We have the cyclic trace property which ...
(1) k°1 is not equal to 1°k for some numbers k. (2) °represents subtraction.<6>On Jane's credit card account, the average daily balance for a 30-day billing cycle is the average of the daily balances at the end of each of 30 days. At the b 30、eginning of a certain 30...
A set of numbers can have more than one mode (this is known asbimodalif there are two modes) if there are multiple numbers that occur with equal frequency and more times than the others in the set. 3, 3, 3, 9,16, 16, 16, 27, 37, 48 ...
In probability sampling, researchers use the concept of probability to create samples from a population. This method ensures that every individual in the target audience has an equal chance of being selected for the sample. There are four main types of probability sampling: ...
Mobile analytics: You want a tool that can give your people access to the information they need even when they’re on the road. But not all mobile analytics solutions are created equal. Look for one that not only offers voice-enabled access and real-time alerts, but provides advanced capabi...
Great UX is Equal Parts Business and Design Jared Spool has worked in the field of design and usability testing since 1978. He is a writer, researcher, and a former adjunct professor at Tufts University, teaching Experience Design Management. He also co-authored “Web Site Usability: A Designe...
In addition, if the number of questions in which there is doubt between two answers is a multiple of 4, there are some cases in which the total score obtained would be equal to zero. The number of possibilities in which this occurs is given by the formula: 𝑛!(𝑛4)!·(3·𝑛4...
For the concept of territorial cohesion, it refers to equal spatial access to the labour market, public services, as well as culture and entertainment [8,9]. Thus, it is a concept that extends and reinforces the importance of economic and social cohesion. As defined by the European ...