Reading ResultsIn Year 7, a group of 29 students completed a reading test. In Year 9, the same group of students completed a reading test from thesame series. The graphs below show their results. Scores at Year 7 and Year 9 are reported on the same scale:...++|+|+|+II. Six Year 9 scores were greater than 585520 530 540 550 560 570 580 590 600 610 620++++++|||||||||●●●● ●●●●●Below are some statements about the chart provided above.Click on 'True' or 'False' for each statement.1. The difference between the highest and lowest Year 7reading scores was 120III. There is at least one student whose reading score hasincreased by 20 or more from Year 7 to Year 9Year 7[Choose ][Choose ]TrueFalse+++520 530 540 550 560 570 580 590 600 610 620[Choose ]Reading scoreYear 9+Reading score

The box plot shows the distribution of the data.

Answered: Reading Results In Year 7, a group of…

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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Identify the properties of the following illustrations. 4,5,6
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What percentage of data would you predict would be between 25 and 50 and what percentage would you predict would be more than 50 miles? Use the Week 4 spreadsheet again to find the percentage of the data set we expect to have values between 25 and 50 as well as for more than 50. Now determine the percentage of data points in the dataset that fall within each of these ranges, using same strategy as above for counting data points in the data set. How do each of these compare with your prediction and why is there a difference? Predicted percentage between 25 and 50: ________________________ Actual percentage: Predicted percentage more than 50 miles: Actual percentage: ___________________________________________ Comparison ____________________________________________________ Why? __________________________________________________________ Drive: 44 20 88 6 71 42 76 63 61 63 84 28 55 33 88 80 86 83 5 85 25 25 54 54 81 73 29 76 78…
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Background: You just finished teaching your first PSYCH 248 lab section, and it’s time to calculate the grades. Your wonderful teaching assistant created an Excel file with all of the students’ exam grades, homework grade, and lab grade as well as their gender. Your next steps are to calculate each student’s final grade, convert those scores to letter grades, and describe the distribution of scores. Data Management Steps: 2. In Excel, calculate the final Number Grade, Letter Grade, and Z-score for each student. a. To calculate the Number Grade, type a numerical equation after an = sign in a cell or use the =AVERAGE() formula; however, keep in mind that the =AVERAGE() formula will always give you the regular mean, not the weighted mean. Grades for this course are comprised of three parts: lecture exams (60%), homework (20%), and lab (20%). b. To calculate the Letter Grade, use the =IF() formulawith a series of logic statements or enter the data by hand. For this assignment, let’s…
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