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Construct a frequency distribution.Data Set: Time (in minutes) spend reading a music blog in aday12 23 17 15 8 7 21 30 41 27 16 13 258 16 12 6 19 9 12 41 18 45 19 1...

Question

Construct a frequency distribution.Data Set: Time (in minutes) spend reading a music blog in aday12 23 17 15 8 7 21 30 41 27 16 13 258 16 12 6 19 9 12 41 18 45 19 10 11

Construct a frequency distribution. Data Set: Time (in minutes) spend reading a music blog in a day 12 23 17 15 8 7 21 30 41 27 16 13 25 8 16 12 6 19 9 12 41 18 45 19 10 11



Answers

Construct a frequency distribution for the data set using the indicated number of classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency? Number of classes: 5 Data set: Times (in minutes) spent reading a political blog in a day $\begin{array}{rrrrrrrrrrrrr}7 & 39 & 13 & 9 & 25 & 8 & 22 & 0 & 2 & 18 & 2 & 30 & 7 \\ 35 & 12 & 15 & 8 & 6 & 5 & 29 & 0 & 11 & 39 & 16 & 15 & \end{array}$

Everyone today resolving problem number 12 from Chapter two attacks. Um, which gives us the following information. So these 1st 2 parts of the table are given to you another black, and then in the problem itself, you asked my humility frequency and the cumulative balletic. So these are new terms in this chapter. Um, and I just think you have needs accumulate. So you're basically increasing with the original. So you're basically Abby Numbers, so humor. The frequency is just the frequency, and then you're having that, and then you're getting your results from here, and then you're adding that, and then you're getting results from all three of those you're adding that and so on its own. So what that looks like in in our terms is that you know that accumulate for human frequency. Um, the guy you would have for the 1st 1 because it always stays the same. Um, And then, um, you do 10 plus 14. We're just going to be 24. But now that you have 24 you have to add 24. Now that we have 20 fours are killers, we continue for the clock's size 22 29 you need to do 24 plus 17. So in your mind you think already? Well, 41 reshaped for it. Now that we have 41 you're 41 plus seven, which is 48. And then you do 48 plus two, Which is going to be. So when you add the scheme of the frequencies 50 plus 48 98. Um and then I would do 98. Plus time is one. Await +108 plus 24. It's 1 32 and then 1 32 plus 41 is 1 32 41. Yeah, 107 Toto. But all the frequencies, um, and there is how you find the human activities based off the frequencies for absolute seats. Now I'm gonna go to my color and really relatives. So again, human relative agencies. It's a similar concept. Kind of you can imagine, as frequency goes to Kim with a frequency relative frequency goes to Cuba, etc. That's kind of how that's like a parallel image in your mind you should make. So again, that's frequency is too similar frequency as relative frequency is too, you mother relative. So, um, we're basically going to just in our minds, figure out the relative frequencies. So I know that relative frequency is the frequency divided by the total. So for 10 to 19 crossed size, it would be 10 over 50. Which would be, um so since this out of 50 is actually nice because you just multiply frequencies themselves to to get our relative, you conceded percent. So 10 times two is 20 so 20% is going to be a relative is going to be a relative regency, and thus you're starting. See on. Then you would do 10 plus 14 which is 24 again. Cumulative means you're adding the numbers increasing with the original 24 over 50 is 48 of this with H first that would you again. That's for the class size. Which 19 Now that I know, I have 24 here again, 41. You can actually just use these numbers here. It's probably easier. Um, so now I have 41 over 50 which is going to be, uh, 41 times two for percentages. That's it. Then, um, I go to 48 out of 50 which is the same thing as 96 out of 100 and that's going to be, like, 6%. And last but not least 50 50. Yeah, it's 100%. All right, So now I'm just gonna add up these percentages. 20 plus 48. It's 68 68 plus in two. That's maybe 150. And I have to add 150 buses, hundreds to 50 last 96. So I add another 100. It's a backboard. Just do that one. Yep. So, Chief of you plus 100 street 50 that I struck for before you signed. 346% going to be your total. When you add all these together and there you have it. If you guys enjoy this video, please, like that next to it. I hope you all have in that state

So we're asked to separate this datum in a frequency distribution table. And the point of a frequency distribution table is to do Oh, just what the name implies. Find out how frequently each of these numbers appear in this data set. So how would we go about doing that? Well, how many times does number zero here, for instance? We see it twice. So we make zero over here on the left side, and we put a two on the right side, and that symbolizes that. Zero has appeared twice in the state of suit, so we can cross out the zeroes over here, and we can repeat the process for every number we find. So, one how many times do I see one? Why I find it once, twice, Three times, Four times five times. So I have found the 15 times. So I threw a five year to the right, and I repeat this process with all numbers. So I would get something like two, huh? Two guys find four times three I would find five times. And we just continue the graph on this side over here, or the frequency distribution table on this side uh, we would have a four that appears three times, Uh, five appear twice Sixes. I only see one seven's twice, and I wish you want eight. And so this is a bit discontinuous here, but this is one part of the grab a table, and this is the second part of the table.

So the when we play two notes together it gets superimposed on each other. So the first note is G note. So we can say that function is G G. S. The 92 hearts and be his 4 94 Hz. So the funds enough G E. S. Course of two five in 2392 gee And the function of these also to trying to 4 94. He so G place be will be medicine of these two functions which is because of 784 by T. Plus Corso 9 88. Fighting. Okay so it can be the tennis Product rule form. Both simplicity by two which is 772 x two by T. and Casa. Question the difference is A minus B. We're two for 204 by two by two for the final form is to Corso Yeah 886 by T and Corso 100 to pipi. So in this final form we can say the beat is a minus B From which was 4 94 3 92 which is 102 3rd. This is our beat. Average frequencies with frequencies just it plus B right to which is 86, 52 or 443 hurts.

So in the given problem, it is saying The two notes is simulated 10uously started. That is the North F. And not F. N. A. So from the frequency table you can see that note f. is of 349 times And note eight years of 4 40 herds. So their respective concerns can be detainers because of 349 into to fighting for North F. And note it can be detainers paws off 4 40 into bitey. So when both is Simon test me started, bless you will be course or 3 49 to buy tea. Bless casa 4 14 to buy tea. So it is a form A plus B by two Which is 3 49. Last 4 40 By two into 2 party. And cause of a -B by two witches. 4 14 minus 3 49 upon two into society. So this form will be to force off nine 87789, pity and casa other side will be yeah. Yeah. One 9 91 by D. So this is our combined function off a policy. Okay Now it is asking bit so be it is simply the differences frequency beat equals two frequency of f minus frequency of which is 4 14 -349. Here it is 91 hearts and the average frequency is no every We can see will be just a plus B by two Which is 440, Last 3 49 x two. So this value is 3 94.5 words. So this is our average to Princess.


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