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XCloRemaining Time: hourx 23 minutesaccondtQuastion Completion StatusQUESTION 20 pointsample 0f 26 clcticnt s from & #otally distnbuted population = ualectcd Th...

Question

XCloRemaining Time: hourx 23 minutesaccondtQuastion Completion StatusQUESTION 20 pointsample 0f 26 clcticnt s from & #otally distnbuted population = ualectcd Tha smple mcan 1 I0 uath ulple Anne Follo# Mg question dctiation thc 95" confiderce uiteryal fOf M 46 00 to 14,008 38 to [1.6210 546 46 to IL.51QUESTION JGtettehlnCik Satr an4 Subrut to #ete Und subrut; CKASnes Areitt (ueuae Hu4 an!t

XClo Remaining Time: hourx 23 minutes accondt Quastion Completion Status QUESTION 2 0 point sample 0f 26 clcticnt s from & #otally distnbuted population = ualectcd Tha smple mcan 1 I0 uath ulple Anne Follo# Mg question dctiation thc 95" confiderce uiteryal fOf M 4 6 00 to 14,00 8 38 to [1.62 10 54 6 46 to IL.51 QUESTION J Gtette hln Cik Satr an4 Subrut to #ete Und subrut; CKASnes Areitt (ueuae Hu4 an! t



Answers

Another survey was done at Center Hospital to determine how long (in months) clerical staff had been in their current positions. The responses (in months) of 20 clerical staff members were $$\begin{array}{llllllllll} 25 & 22 & 7 & 24 & 26 & 31 & 18 & 14 & 17 & 20 \\ 31 & 42 & 6 & 25 & 22 & 3 & 29 & 32 & 15 & 72 \end{array}$$ a. Make a box-and-whisker plot. Find the interquartile range. b. Compare this plot with the one in Problem $7 .$ Discuss the locations of the medians, the locations of the middle halves of the data banks, and the distances from $Q_{1}$ and $Q_{3}$ to the extreme values.

Problem. 90 forces population perimeters below described the full time equivalent number of students each year at Lake and a whole community college from 1976 to 1977 through its 1000 or force it's a 1000 and five. The mean as 1000 FT's The median is a dozen of 14 FT's. Now the standard deviation is 474. FT's the Fars courts all is 528.5. Ft's the courts all is 1000 447.5 FT's and and is 29 years. And we were told that a sample of reliving years it's taken and we are asked how many I space it to have Fifties of 1000 and 14 or above come with us Spain. Oh, found my answer. So we have 11 years and the median value 11 years is the sixth year. Therefore, six years will have a total at oh, above the median of 1000 and 14 because if you come from 6789 10 any living that's six years, that's six years, right? There could also say a level minus six plus one that will also give you six years. Thank you

Hello students here in this question, it is given that a random sample of people has to answer the question. Do you collect airline Mile and further It is given. There did. Margin of error for the sample is plus minus 2%. So I will write the given data. Let's upward that Emmy is denoting the margin of error. It is Guinness plus minus 2% for the it is going in The question that sample proportion of the people who are entering the question, as you know, is given us three divided, divided waiting. So I will be right here again a spill. It suppose that s p simple proportion. So sample a proportion of the people who are answering the question is no is given us three divided, right? And so we have to find out the number of people who are entering. No. So let's suppose that X is the number of people who are entering. No. So we have to find our devalue X. So let's start just awful. Margin off that is given us plus minus 2%. And we know that according to the formula, marginally better we can find out the sample size here, size of sample, with a margin of error. It is given this one divided by square root off and the sweat off anywhere and is did not sample size. Right. So from this we can conclude that square root off and is equal to one develop high margin of error. No, my Jennifer, that we will use in decimal comes here so squared off. And this is a is equal to my Jennifer displacements 2% so we can apply it here. One divided way plus minus one divided by 2%. In December eclipse, it will be 0.2 right, 0.2 Now, if you can clear the value of one divided by 0.0 to disinvite 50 so last minus, this will become less minus 50. No, if it square on boats are still get the size of the simple So 50 squadron 2500 2500. So this is our size of the sample. That is this that was conducted with this many people 2500 people on this from this week to find out the number of people who are answering the question as no notice X value of X. No moving for that. We also know the formal off sample proportion. So sample proportion. Let's suppose it is SP as we have discussed it. So sp simple proportion is given as the number of times the digitize repeating itself. So the actually it is the number of a number of times the digitize present in the sample. So that is X divided by total side of the sample letters. And so a number of times accidents than amount of times that you guys are cutting. What? The sample. So this is same as didn't number number of people who are answering the question isn't no. And and is the total number of samples total size of the sample? Sorry. So important. The values Over here, we'll find out the value of X. So ESPYs given simple promotion for people were entering. No, it is given as through the world about it. So three divided work. This is equal to X. We don't know the value of X X is unknown devoted to it and and it's simple ties. We've already calculated it so 2500 no. 2500 will be transferred to the other side will get the value of X. S X is equal to sorry l doctor. Properly so x is equal to treat the word. About 10 multiplied by to buy cereal. 10 1,000,000 cancel out will get to 15 while deployed battery, which is seven. Papi. So it's on the total number of people who were until in the question as no is 7 50 this will we ever answered. So one thing I thought of rectum. Forget to mention here that the options were also getting in the question, so I'll mention options here. Options. It was by Option B was 25. So I will write just for your convenience options. She was 7 50 and optioned Iwas 2500. So, as we have already calculated X value, so it will be obviously see right. So sees the correct option. The number of people who are answering the question isn't always 70. So hope you understood the video. And thanks for watching

In the problem, this is the desired car for the and gasoline with respect to time. So we have this as quantity that is milligram and time in days, so this is the car, and it is the answer to the problem.

All right, We've got a question here that is describing a testing of a new drug on it is tested. Um, at 10 minute intervals, the average concentration CFTR showing the table teas and measured in minutes sees measured in micrograms over milliliters. And we want to use the midpoint rule to determine integral from 0 to 100. See, of T dft. Okay, When we use the midpoint rule, we would take the Siri's eyes equal to one, and and we would have, um, see if t I multiplied by change and teeth. This is the midpoint rule here, and our n here is gonna be equal to 10. Okay, If we look at our table, we could see that we have intervals. I'm sorry. Readings collected at 0 10 2030 minutes. So r n will be 10 as it's changing 10 each time and then are changing t that actually will not be equal to 10. That's what that's what it looks like. The logical answer would be, but we have to understand how the midpoint rule works. We have a set of values from 0 to 100 and we're talking about midpoint bull. Since we have 10 intervals. We're going to need to now split these into five intervals. Would say 0 to 20. You wrote to I'm sorry. 20 to 40. 40 to 60. 60 to 80. And finally 80. 100. Okay, we have to consider these five intervals. When we're talking about midpoint rule, we're essentially splitting the amount of controls in half. Okay? And we're looking for is the midpoint of each of our five intervals. Yeah. Now here we can see that if the midpoint between zero and 20 would be 10, 20 and 40 would be 30 30 and 60 would be 50 70 you know. Okay, so are changing t here. Okay. Actually going to be equal 2 20. Good. We're saying it's changing. Went to okay. That's when we're you wanna make sure we do that correctly when we're solving for the midpoint. Well, okay, now, let's go ahead and bring this Siri's down. We know our and we've already calculated for we said that's gonna be equal to 10. Have I equals one. You have our sea of tea sub by Onda. That will be also these in, but we go ahead first, right out or change of tea won t Now let's go ahead and begin filling in thes values here. So now this is where we're gonna say. All right, We need Thio. Find the we're going to need to collect some of the mid points. Some of the mid points would be C one times t see, one time is 30 50 70 and 90. Okay, so what is this value here? See, when time it's 10, we're gonna add that to 30. Gonna add that you see a 50. Okay, I'm gonna add that to see a 70 and finally, we're gonna add that to see him. Okay. Now, when we go ahead and solve this out Excuse me. Um, you know, see, of 10 is 1.3. Also, one more clarification. Um, I want to write it out properly, So imagine it's gonna be a Siri's mhm, but this equals to this. Hey, this here. Sorry. This whole series here is equal. Okay, Now let's go and start filling in these values. See, when time is 10 is 1.3. Okay. See if 30 is 2.2. See if 50 is 25 plus, see if 70 or just 2.3. Let's see of 90 just 1.6. Okay. And when you add all these up together, it comes out to 9.9. Multiplied by 20 is gonna be equal to 198. We're told that this is in micrograms. Formularies multiplied by time, minutes. And so this will be our final answer here. And we can say that this is our final answer for when we use the midpoint rule to estimate the integral from 0 to 100 for function, See of tea. With respect to time, I hope that clarifies the question. Thank you for watching.


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