13. Perception of Time. The following times (in seconds) wererecorded when statistics students participated in an experimentto test their ability to determine when 1 minute (60 seconds)had passed:53 52 75 62 68 58 49 49 Concepts and ApplicationsRange and Standard Deviation. Exercises 9-16 each providea set of numbers. In each case, find the range and standarddeviation. (The same data sets were used in Exercises 10-17 inSection 4.1.)

Answered: 13. Perception of Time. The following…

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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Based on the information provided, what percentage of students got the final grade higher than 70?
Part 2: Please solve for parts D & E. Thank you!
An educator want to determine whether early exposure to school affect IQ. He enlists the aid of parents of 24 of preschool age children to participate in this experiment, 12 children go to the preschool and 12 children stay at home. At the end of two years, the IQs of all the children are measured. The results are as follows: IQ of children who went to preschool. 110 121 107 117 115 112 130 116 111 120 117 106 IQ of children who stayed home. 114 118 103 112 117 106 125 113 109 122 116 104 what is the alternative and the null hypotheses? what is the mean and standard deviation of each group? what is the result and conclusion?
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13. Perception of Time. The following times (in seconds) were recorded when statistics students participated in an experiment to test their ability to determine when 1 minute (60 seconds) had passed: 53 52 75 62 68 58 49 49