Sale in InchesPrice9147201972729731447351177402177602497321006.93501992.61 Find and interpret a 90% confidence interval for the sale price when the corresponding TV size is 50-inches

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Answered: Find and interpret a 90% confidence…

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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The data shown below represent the age (in weeks) at which babies first crawl, based on a survey of 12 mothers. Complete parts (a) through (c) below. 52 30 44 35 47 37 56 26 47 39 47 52 C) Construct and interpret a 95% confidence interval for the mean age at which a baby first crawls. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to one decimal place as needed. Use ascending order.)
Solve it correctly please. I will rate accordingly.
The following observations are lifetimes (days) subsequent to diagnosis for individuals suffering from blood cancer. 116 181 255 419 441 461 516 739 744 789 808 865 925 983 1025 1062 1064 1165 1191 1222 1222 1251 1278 1291 1358 1369 1408 1456 1479 1519 1578 1578 1599 1604 1605 1697 1736 1799 1815 1853 1899 1926 1965 (a) Can a confidence interval for true average lifetime be calculated without assuming anything about the nature of the lifetime distribution? Explain your reasoning. [Note: A normal probability plot of the data exhibits a reasonably linear pattern.] No, we need to assume that the population is normally distributed. No, the range is not large enough for the confidence interval to be reasonable. Yes, the sample size is large enough for the confidence interval to be reasonable. No, the sample size is not large enough for the confidence interval to be reasonable. Yes, the range is sufficiently large enough for the confidence interval to be reasonable. (b) Calculate and…
[Statistics] How do you find the lower bound of a confidence interval for the difference of means? The data is given below Pollution Group40 116 144 147 126 164 135 1 53 1 45 1 52 1 31 1 38 1 44 1 29 1 45 1 47 134 228 2 36 2 19 2 35 2 37 236 2 39 2 32 225 2 37 2 40 2 44 2 38 2
The figure to the right shows the results of a survey in which 2000 college graduates from the year 2016 were asked questions about employment. Employment College students' responses to questions about employment Construct 95% confidence intervals for the population proportion of college students who gave each response. Expect to stay at first employer for 3 or more years 70% 67% Completed an apprenticeship or intemship 62% Employed in field of study Feel underemployed 54% Prefer to work for a large company 17% The 95% confidence interval for the proportion of college students that expect to stay at their first employer for 3 or more years is (Round to three decimal places as needed.)
The figure to the right shows the results of a survey in which 1500 college graduates from the year 2016 were asked questions about employment. Employment College students' responses to questions about employment Construct 99% confidence intervals for the population proportion of college students who gave each response. Expect to stay at first employer for 3 or more years 73% Completed an appranticeship or intemship 67% Emplayed in field of study 61% Feel underemployad 53% Prefer to work for a large company 17% stay at their first émployer for 3 or more years is (0.700,0.760 ). The 99% confidence interval for the proportion of college students that expect (Round to three decimal places as needed.) The 99% confidence interval for the proportion of college students that have completed an apprenticeship or internship is ( ! ) (Round to three decimal places as needed.)
ch9 q16
Create a 90% confidence interval for the data set below. 53 62 62 58 60 61 70 53 70 59 61 60 ( , ) [three decimal accuracy] [three decimal accuracy]
0 - no 1 - yes By hand find the 95% agresti confidence interval for the difference in proportions of athlete and non athlete where the two groups are defined as in state or out of state. Interpret the results.
Body fat Do the data shown in the table below indicatean association between Waist size and %Body Fat?a) Test an appropriate hypothesis and state your conclusion. *b) Give a 95% confidence interval for the mean %BodyFat found in people with 40-inch Waists. Waist(in.)Weight(lb)Body Fat(%)Waist(in.)Weight(lb)Body Fat(%)32 175 6 33 188 1036 181 21 40 240 2038 200 15 36 175 2233 159 6 32 168 939 196 22 44 246 3840 192 31 33 160 1041 205 32 41 215 2735 173 21 34 159 1238 187 25 34 146 1038 188 30 44 219 28
[Statistics] How do you find the upper bound of a confidence interval for the difference of means? The data is given below Pollution Group40 116 144 147 126 164 135 1 53 1 45 1 52 1 31 1 38 1 44 1 29 1 45 1 47 134 228 2 36 2 19 2 35 2 37 236 2 39 2 32 225 2 37 2 40 2 44 2 38 2
A psychiatrist is interested in finding a 98% confidence interval for the tics per hour exhibited by children with Tourette syndrome. The data below show the tics in an observed hour for 11 randomly selected children with Tourette syndrome. Round your decimal 3 places. 1,12,11,6,10,1,4,7,8,1,9 With 98% confidence the population mean number of tics per hour that children with Tourette syndrome exhibit is between ____ and ____ If many groups of 11 randomly selected children with Tourette syndrome are observed, then a different confidence interval would be produced from each group. About ____ percent of these confidence intervals will contain the true population mean number of tics per hour and about ____ percent will not contain the true population mean number of tics per hour.

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Sale in Inches	Price
9	147
20	197
27	297
31	447
35	1177
40	2177
60	2497
32	1006.93
50	1992.61