Show all your work for all calculations1. Neophobia is the fear of novel objects. Johanna Alpert and others assessed neophobia inFlorida Scrub-Jay fledglings that live in recently burned, open scrub and long unburned, densescrub. They calculated the time it took jays to approach a novel object.Calculate the sample median, mean, variance, standard deviation, standard error, and 95%confidence interval for the jay sample populations in the open and dense scrub habitats.Open ScrubTime (see)Dense ScrubBird IDBird IDTime (sec)QRHQBLQBHQBWQRY2874QRW84178453QWWQLYQGWQLP5221048591QBY4071QOG297

Mean is the average of all the observation in the sample. Median is the middle value which separate…

Answered: Calculate the sample median, mean,…

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 annual earnings of 13 randomly selected computer software engineers have a sample standard deviation of $3700. Assume the sample is from a normally distributed population. Construct a confidence interval for the population variance σ2 and the population standard deviation σ.Use a 95% level of confidence. Interpret the results. What is the confidence interval for the population variance σ2?
A group of 49 randomly selected students has a mean age of 22.4 years. Assume the population standard deviation is 3.8. Construct a 90% confidence interval for the population mean. Include a statement interpreting your answer.
StatKey Confidence Interval for a Mean, Median, Std. Dev. Custom Dataset Show Data Table Edit Data Upload File Change Column(s) Generate 1 Sample Generate 10 Samples Generate 100 Samples Generate 1000 Samples Reset Plot Bootstrap Dotplot of Original Sample Mean - n = 23, mean = 65057.304 median = 64625, stdev = 11542.583 Left Tail Two-Tail Right Tail samples - 1000 mean 65050.653 20 std. error 2365.388 50 15 10 60000 70000 65057.304 50000 80000 90000 30 Bootstrap Sample Show Data Table 0.050 0.900 0.050 71528.783 n = 23, mean = median = 68804, stdev = 14634.15 %3D || 20 15 10 10 5 ::: 0. 66000 65050.653 68000 A 70000 72000 58000 60000 62000 64000 50000 60000 700 80000 90000 71528.783 61177.326 69178.783 40 20
A professor wants to estimate how many hours per week her students study. A simple random sample of 72 students had a mean of 19 hours of studying per week. Construct a 90% confidence interval for the mean number of hours a student studies per week. Assume that the population standard deviation is known to be 2.1 hours per week. Round to two decimal places.
CANVAS NIGHTIN... Proctor book orms - Teams Microsoft Office H... APA Citation Gene... Paraphrasing Tool... COMPLIO Examity :: Home Score: 22.4/43 8/10 answered Question 10 ▼ < Please find the range, sample standard deviation and inter-quartile range (IQR) of the following data set. 26 39 60 69 73 76 93 93 94 96 range = (Please enter an exact answer.) standard deviation (s) = (Please show your answer to one decimal place.) IQR = (Please enter an exact answer.) A new number, 288, is added to the data set above. Please find the new range, sample standard deviation and IQR of the new data set. range = (Please enter an exact answer.) standard deviation = (Please show your answer to one decimal place.) IQR = (Please enter an exact answer.) Which measure of spread is less affected by the addition of the extreme observation? O IQR O standard deviation O Range Hint: Help Video [+] Textbook MacBook Air F6 2 @ F2 W Submit Question 20 F3 #3 LL $ F4 R % 5 F5 T ^ 6 Y & 7 A4 F7 U * CO 8 DII FB ( 9…
4.753, 4.375, 4.177, 4.677, 4.425, 4.227, 4.122, 4.250, 3.953, 4.195, 4.293, 4.413 An 80% confidence interval for the mean rate is
Person1 Person2 Person3 Person4 Person5 Person6 Person7 Person8 Person9 Height 72 70 70 72 71 76 74 74 69 Shoe Size 11 10 10 12 10 15 14 13 11 * Confidence level is 95% * find the mean and standard deviation for height * find the mean and standard deviation for shoe size * Construct and interpret a confidence interval to estimate the mean height of the population. write the formula for the confidence interval then substitute the numbers. * Construct and interpret a confidence interval to estimate the mean shoe size of the population. write the formula for the confidence interval then substitute the numbers.

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