You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures:36.848.153.459.246.326.435.669.44227.428.858.8Find the 99% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to 3decimal places. Assume the data is from a normally distributed population.99% С.I. 3

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Answered: You must estimate the mean temperature…

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 current speed limit is 60 mph. This sample of speeds was taken at 4pm on a Monday. Use the data to construct a 80% confidence interval estimate of the standard deviation for the population speeds. 60 62 62 65 56 62 54 61 60 61 69 58 66 what is the lower limit what is the upper limit
A survey of several 9 to 11 year olds recorded the following amounts spent on a trip to the mall: $19.26, $21.87, $15.83, $20.57, $19.31, $24.74, $22.82 Construct the 95% confidence interval for the average amount spent by 9 to 11 year olds on a trip to the mall. Assume the population is approximately normal. Copy Step 2 of 4: Calculate the sample standard deviation for the given sample data. Round your answer to two decimal places.
A laboratory tested 85 chicken eggs and found that the mean amount of cholesterol was 191 milligrams. Assume that o = 16.2 milligrams. Construct a 95% confidence interval for the true mean cholesterol content, µ, of all such eggs. Round to one decimal place. O A. 186.9 to 195.1 milligrams B. 186.5 to 195.5 milligrams C. 188.1 to 193.9 milligrams D. 187.6 to 194.4 milligrams
Use the given degree of confidence and sample data to construct a confidence interval for the population mean u. Assume that the population has a normal distribution. The principal randomly selected six students to take an aptitude test. Their scores were: 88.0 84.1 74.9 83.2 83.7 85.5 Determine a 90% confidence interval for the mean score for all students. Seleccione una: A. 79.49 < µ < 86.98 B. 86.98 < H < 79.49 C. 79.59 < u < 86.88 D. 86.88 < u <79.59
Use the following sample to estimate a population mean u. -0.4 41.3 -2.6 7.6 33.5 22.7 33.1 47.1 13.8 -8.6 36.8 Assuming the population is normally distributed, find the 90% confidence interval about the population mean. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places. 90% C.I. =
The data set below represents the weights in grams of 10 randomly selected adult male fox squirrels from a forest. Assume the weights are normally distributed. 821 857 782 930 720 821 794 876 810 840 Find the sample mean and sample standard deviation Construct a 90% confidence interval for the population mean. Interpret the results from b.
Please give me a correct answer. The last person did not. Thank you!?
FIND ONLY D. Please provide it neatly with indicated given, formula, solution, and answer.
Find the 99% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place).99% C.I. =
Use the given sample data to construct the indicated confidence interval for the population mean. The football coach randomly selected ten players and timed how long each player took to perform a certain drill. The times (in minutes) were: 12.7 14.6 11.7 12.6 11.5 11.2 7.2 10.3 7.2 9.1 Determine a 95% confidence interval for the mean time for all players. O A. (9.00, 12.62) O B. (9.57, 12.05) O C. (9.09, 12.53 ) O D. (9.29, 12.30 ) O E. (9.50, 12.12)
Below you will find questions and a sample dataset. Please use the provided dataset to complete the tasks and to answer the questions. Assuming that the following sample is taken from a normal distribution, compute the 90% confidence interval for the population mean. Dataset: 31.6 46.9 54.5 23.7 60.3 37.6 58.3 65.7 50.2 53.7 A telecommunication company wants to estimate the mean length of time (in minutes) that 18- to 24- year-olds spend text messaging each day. In a random sample of fifty-eight 18- to 24-year-olds, the mean length of time spent text messaging was 29 minutes. From past studies, the company assumes that σ is 4.5 minutes and that the population of times is normally distributed. Compute a 99% confidence interval for the population mean time that 18- to 24-year-olds spend text messaging each day. Interpret the confidence interval found in part a. What does the phrase “99% confidence” refer to in this context?…

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