images attached 3STATS LAB 8.1: Confidence Interval (Home Costs)1. Save the File with your Name in it, i.e. TEysterW11Lab.docx2. Make sure it is a Word Doc or PDF file to ensure readability.3. Answer all parts in complete sentences and show all work or explain how you got the values.Student Learning OutcomesThe student will calculate the 90% confidence interval for the mean cost of a home in the area in whichthis school is located.The student will interpret confidence intervals.The student will determine the effects of changing conditions on the confidence interval.Collect the Data: Check https://www.realtor.com/ for the sale prices of homes in your zip code. Record the saleprices for 35 randomly selected homes recently listed in the county.1. Complete the table:374,900270,000252,50026500284,900399,0033,900335,000309,900595,000449,900280,00389,900420,000485,000338,800949,900317,400415,00334,00795,00584,0722,740,00414,999342,900408,900367,400750,000314,600344,0001,650,000326,900375,600370,000485,900Table8.5Describe the Data1. Compute the following:а.mean =b. standard deviation =c.n =2. In words, define the random variable X3. State the estimated distribution to use. Use both words and symbols. Find the 90% Confidence Interval (can be one of the others from the final section)1. Calculate the confidence interval and the error bound.a. Confidence Interval:b. Error Bound:2. How much area is in both tails (combined)? (remember what the area is!) a =3. How much area is in each tail? a/2 =4. Fill in the blanks on the graph with the area in each section. Then, fill in the number line with the upperand lower limits of the confidence interval and the sample mean.C.L. =Type answers from chartCL =a/2 =lower limit =sample mean =upper limit =Figure 8.65. Some students think that a 90% confidence interval contains 90% of the data.a. Use the list of data on the first page and count how many of the data values lie within theconfidence interval.b. What percent is this?c. Is this percent close to 90%?d. Explain why this percent should or should not be close to 90%.

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Math

Statistics

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A researcher studies water clarity at the same location in a lake on the same dates during the course of a year and repeats the measurements on the same dates 5 years later. The researcher immerses a weighted disk painted black and white and measures the depth (in inches) at which it is no longer visible. The collected data is given in the table below. Complete parts (a) through (c) below. Observation 1 2 3 4 5 6 1/25 3/19 5/30 7/3 9/13 11/7 71.2 35.6 53.8 41.2 57.3 43.4 72.1 35.1 59.0 41.0 61.0 47.0 Date Initial Depth, X, Depth Five Years Later, Y, Click the icon to view the table of critical t-values. (a) Why is it important to take the measurements on the same date? OA. Using the same dates makes it easier to remember to take samples. B. Those are the same dates that all biologists use to take water clarity samples. C. Using the same dates makes the second sample dependent on the first and reduces variability in water clarity attributable to date. D. Using the same dates maximizes…
A researcher studies water clarity at the same location in a lake on the same dates during the course of a year and repeats the measurements on the same dates 5 years later. The researcher immerses a weighted disk painted black and white and measures the depth (in inches) at which it is no longer visible. The collected data is given in the table below. Complete parts (a) through (c) below. Observation 1 2 3 4 5 6 3/19 5/30 7/3 9/13 11/77 1/25 71.2 35.6 53.8 41.2 57.3 43.4 72.1 35.1 59.0 41.0 61.0 47.0 Date Initial Depth, X, Depth Five Years Later, Y, Click the icon to view the table of critical t-values. (a) Why is it important to take the measurements on the same date? OA. Using the same dates makes it easier to remember to take samples. B. Those are the same dates that all biologists use to take water clarity samples. C. Using the same dates makes the second sample dependent on the first and reduces variability in water clarity attributable to date. D. Using the same dates maximizes…
Question 7
A researcher studies water clarity at the same location in a lake on the same dates during the course of a year and repeats the measurements on the same dates 5 years later. The researcher immerses a weighted disk painted black and white and measures the depth (in inches) at which it is no longer visible. The collected data is given in the table below. Complete parts (a) through (c) below. Observation 1 2 3 4 5 6 1/25 3/19 5/30 7/3 9/13 11/7 41.6 72.7 72.4 65.9 64.2 68.6 49.3 72.1 76.6 69.4 69.8 70.5 Date Initial Depth, X¡ Depth Five Years Later, Y; What is your conclusion regarding Ho? A. Do not reject Ho. There is not sufficient evidence at the α = 0.05 level of significance to conclude that the clarity of the lake is improving. B. Do not reject Ho. There is sufficient evidence at the x = 0.05 level of significance to conclude that the clarity of the lake is improving. C. Reject Ho. There is sufficient evidence at the x = 0.05 level of significance to conclude that the clarity of the…
My S X Take a Test - Joshua Cannon - Personal - Microsoft Edge https://www.mathxl.com/Student/PlayerTest.aspx?testld%3D234262493¢erwin=yes ncing Math 1100 Section 601 First Fall 2021 LSUONLINE Joshua Cannon & | 10/07/21 5:36 PM Help Test: PRACTICE... Question 1 This Test: 100 pts possible Submit Test MyLab Ma Give a word description for the set below. My Courses {2,3,4,5,..,16} Score Course Home Choose the correct answer below. Assignments A. The set of all natural numbers strictly between 2 and 16. Study Plan B. The set of all natural numbers greater than 2. OC. The set of all natural numbers less than or equal to 16. Gradebook D. The set of all natural numbers greater than or equal to 2 and less than or equal to 16. E. The set of all numbers between 2 and 16, including 2 and 16. еТext Chapter Contents StatCrunch Бcore Tools for Success Multimedia Library Skills for Success Next Accessible Resources 6:36 PM O Type here to search W 70°F 10/7/2021 O O O II