5

4.75.3.76.3.53,3.70,3.08.4.18, 4.59.4.06,3.90,4.53.3.50, 3.89.3.28,431 50.1.54.2.53.6. 54.7.50.3.55.7.55.0. 55.1,58.0, 59,3 56.9Copy DatStep of 2 : For Each otthe a...

Question

4.75.3.76.3.53,3.70,3.08.4.18, 4.59.4.06,3.90,4.53.3.50, 3.89.3.28,431 50.1.54.2.53.6. 54.7.50.3.55.7.55.0. 55.1,58.0, 59,3 56.9Copy DatStep of 2 : For Each otthe above sets= sample data: Calculale the coetficlent of variation; Cv: Round t0 one decimal place:

4.75.3.76.3.53,3.70,3.08.4.18, 4.59.4.06,3.90,4.53.3.50, 3.89.3.28,431 50.1.54.2.53.6. 54.7.50.3.55.7.55.0. 55.1,58.0, 59,3 56.9 Copy Dat Step of 2 : For Each otthe above sets= sample data: Calculale the coetficlent of variation; Cv: Round t0 one decimal place:



Answers

Estimate each difference by using front-end rounding. $$671.01-88.35$$

Was problem. We're going to estimate the difference by using front and rounding Front end Rounding is looking at the first of the highest place that the number has and rounding to that place. So for our first number 4 47.23 we're going to get rid of everything but the first number, but that never were rounding to in the number before it. If this number is not greater than or equal to five here, then we're going to round down or not. Round it all, we're going to round down to 400. But that in vertical. For we have 36.16 we're going to round up because the number before the three is greater than able to five. So that goes to 40 zero. Minus zero is zero run a borrow one here to do 10 minus four, which is six. Bring down US three. Our answer is 360

So we want to fill in the phone decimal or percent. So our first column has 78%. So to convert this into a decimal, we move this two decimal places are left, so that's going to be a 0.78 And now we have a 0.2. So to work that into a percentage whose two units to our right. Okay, so that's going to give us a 20 percent. And now we have 0.73 So move this two units to right, and then we have a 7.3, you said, And for next one year, 0.666 and so on. So that's going to be 66.66 percent and in 176%. We move this to the US and wouldn't place the sort left. And then we at 1.76 or 1 10 again, we move this two decimal places. So I left. When we get 1.1 girl and then for two. Let's move this to more places to our right, and then you have 200 percents

Okay, so we're looking to approximate this quantity two point nine three squared. Write the cereal quite nine for squared well to the one third. So if we let c b the function x squared plus y squared the one third and we look around X equals it's oven excess three. Why is one we see that he is to its nine minus one made to the wonders to And they were just changing x and y by X by negative points You're seven and why bye Negative points your six. So if we look at easy which will be our approximate change in the function and then we'LL just add that to to to give us our approximation Easy is well, we got to take some partial derivatives. First of persons the perfect thanks is he Ah so two x over three x squared plus y squared to the two thirds and then partials He'd Marshall, Why is the same things? That too why aren't up good three x squared plus y squared two thirds Then we need to evaluate it three and one. So this is going to be two squared when this is going to be two squared for on exes. Three. So we have value. I'm in here. Get six six over three cities to force of one half Looks like and then produce. Edie, Why evaluated it? Three and one. We get two times. One over three before. So that looks like one over six. Okay, civilization T partial, introspective X that one half times negative. Zero point seven plus partial with respect to lie on six times the change in Why negative point zero six. And then what did we get? We get it. Well, this is Ah, negative. Zero point three five. And then divide this by six. That's the negative point zero one. That should be negative. Zero hoops onesie. We must up here somewhere. Oh, I see. So this is the minus because of the minus. There, there we go. Minus. So we take the derivative with respect of why we get minus minus. And then So the only evaluated weaken Negative one six, actually minus. So I should add that so, you know, we get negative. Zero point point two five. Okay, that's too easy. Ah, oops. In another mistake here, this is zero seven. So this is zero three five and then when we advocate negatives zero, two, five. And so the approximate value we get here. So this is approximately two minus your points thirty five, which is one point seven five. So that's our approximation. So for use a calculator, the actual value is one point nine seven for AIDS. And if we take this difference just to Seo Qatar approximation is and then subtract one point nine seven five we get zero point zero zero zero two.

Estimate each difference by rounding, then find the actual difference. So our problem is 40,000 300 to oh, minus 6140. So we're going around to the nearest 100. So that would make this number 40,300. Huh? Minus 6100. Facing it. Subtract those zeros. Three minus one is true. Borrow 10 minus six is four on. Bring them me three. So my estimation from my rounding is 34,200. That means our answer. Our actual difference should be close to this Know? Okay, so let's subtract two minutes. One is one we're gonna borrow. That becomes a to 10 minutes for its six. Tu minus one is one that becomes a three. We'll borrow 10. Minus six is four. Bringing down your three. So are actual difference is 34,161 and our estimated difference. Waas 34,002


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