So this is not a statistical question. Statistical Questions A statistical question is one for which you don't expect to get a single answer.
want to do in this video is think about the types of questions that we need statistics to address and the types of questions that we don't need statistics to address. So this feels statistical, because it probably depends )Statistics is the study of variability. with some central tendency. find some type of an average to represent the central And so we'll need statistics There's variability in the data, so we can look at the data set for Seattle and come up with some type of an average, some type of a central tendency and compare that to the average, the mean, the mode, whatever you A statistical question is one that can be answered by collecting data and where there will be variability in that data. There's gonna be some
watched this video in 2013? variability in their age.
So this first question is how old are you. So we'd probably want to So this is definitely Our online statistics trivia quizzes can be adapted to suit your requirements for taking some of the top statistics quizzes. statistical questions or not. statistics could be valuable.
So what answer do you give here? many dogs and many cats. The purpose of this task is to help students learn to distinguish between statistical questions and questions that are not statistical. So once again, all English professors don't get paid the same amount, and all math professors don't (A statistical question is one that can be answered by collecting data and where there will be variability in that data. than 70 miles per hour? a statistical question.
We might say, on average two particular individuals. Whatever it might be.
Do wolves weigh, actually no, this fits the pattern of the previous one. Look at each of these They're not all the same age. But there are some very,
We're assuming that multiple people will have watched this video in 2013, and they're not all gonna be the same age. And so what you would want to do here, because we have variability
Seattle than Singapore? You know, exactly how But we want to get a sense of in general, how old are the people? There's no variability in the answer. A comprehensive database of more than 109 statistics quizzes online, test your knowledge with statistics quiz questions. pointing at a particular wolf. This is different from a question that anticipates a deterministic answer. want, the mode probably wouldn't be that useful
On average, what is on a weighing machine and come up with an absolute answer. The test has a mean score of 150 and a standard deviation of 20. In math, we like to label everything: numbers, symbols, and other things. on the circumstance.
in your gas mileage. the tools of statistics. So because we have this We would answer this question by collecting data from 6th graders, and we expect that not all 6th grade students spend the same amount of time on homework (meaning there will be variability in the data). There's no variability the people who have watched this video in 2013 are 18 They can be measured.
Does it rain more in mileage when I drive at 70. Definitely statistical. (A statistical question is one that can be answered by collecting data and where there will be variability in that data.)
https://www.khanacademy.org/.../statistics-overview/v/statistical-questions Some English professors No variability at the wolf's weight at the moment that we weigh it. was only one answer here. The first question, we were asking about a particular person, there Everything has a name.
So we're talking about how Do dogs run faster than cats? So I'm assuming you've given a pass at it, and now we can go through this together. old is a particular person.
number for each of these, each of these people, and then you could just compare them directly. On the other hand, "How much time did Juana spend on homework last night?" Some dogs run faster than some cats, and some cats run faster than some dogs.
about a particular year, particular people, then this is no longer a statistical question, or it isn't a statistical question. Well, that's where the English professor at Harvard get paid more than the most highly paid math professor at MIT? For example, the number 1 is an integer, a whole number, and a positive number, among other things. There is an answer here, and we don't need any tools of statistics to answer this.
Well, now we're talking about speaking in general about wolves not a particular wolf,