The following TI-84 Plus display presents some sample statistics.1-Var-Statsx=78Σx-2291E x=182,361Sx=6ox=6.066300355I n=29Part: 0 / 3Part 1 of 3(a) Assume that a histogram of the sample is bell-shaped. Approximately what percentage of the sample values are between 60 and 96?Approximately (Choose one)of the sample values fall between 60 and 96. Approximately (Choose one)68%of the sample values fall between 60 and 96.95%all or almost all

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Answered: Part: 0 / 3 Part 1 of 3 (a) Assume that…

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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Every year, the students at a school are given a musical aptitude test that rates them from 0 (no musical aptitude) to 5 (high musical aptitude). This year's results are given in the frequency distribution: Aptitude Score 0 1 2 3 4 5 Frequency 1 6 4 1 5 2 Calculate the sample standard deviation of this data. Answer using two decimal places.
estion Help In a psychology journal, researchers reported that a chief executive officer's facial structure can be used to predict a firm's financial performance. The study involved measuring the facial width-to-height ratio (WHR) for each in a sample of 51 CEOS at publicly traded Fortune 500 firms. These WHR values (determined by computer analyzing a photo of the CEO's face) had a mean of x = 1.81 and a standard deviation of s = 0.12. Use this information to complete parts a and b below. a. Find and interpret a 90% confidence interval for u, the mean facial WHR for all CEOS at publicly traded Fortune 500 firms. (Round to three decimal places as needed.) O A. The 90% confidence interval for mean facial WHR indicates that the true mean facial WHR for the CEOS in the sample is between and with 90% confidence. O B. The 90% confidence interval for mean facial WHR indicates that 90% of all CEOS at publicly traded Fortune 500 firms have a WHR between and O C. The 90% confidence interval for…
Consider the data set. 2, 3, 5, 8, 9 (a) Find the range. (b) Use the defining formula to compute the sample standard deviation s. (Round your answer to two decimal places.) (c) Use the defining formula to compute the population standard deviation a. (Round your answer to two decimal places.)
Just answer question number 1 Answers: 1. 2 vs. 3, q = 6.74, Reject H0, the mean scores of groups 2 and 3 differ significantly; 2 vs. 4, q = 2.04, Do not reject H0, there is no evidence for a significant difference between the mean scores of groups 2 and 4; 2 vs. 1, q = 5.62, Reject H0, the mean scores of groups 2 and 1 differ significantly.
Consider the data set. 2, 4, 5, 6, 7 (a) Find the range. (b) Use the defining formula to compute the sample standard deviation s. (Round your answer to two decimal places.) (c) Use the defining formula to compute the population standard deviation ?. (Round your answer to two decimal places.)
You are doing a one way analysis of variance on the fuel consumption of different makes of cars. You measure the fuel consumption of 60 cars in total. The number of car makes is 6 for this experiment. The data is given below: Source Sum of squares Treatments 206.56 Errors 40.19 Find the mean squared for treatment. Give your answer to 2 decimal places.
Consider the data set. 2, 4, 5, 6, 9 (b) Use the defining formula to compute the sample standard deviation s. (Round your answer to two decimal places.)

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Part: 0 / 3 Part 1 of 3 (a) Assume that a histogram of the sample is bell-shaped. Approximately what percentage of the sample values are between 60 and 96? Approximately (Choose one) v of the sample values fall between 60 and 96.