CHAPT4. Placement exams An incoming freshman took her college'splacement exams in French and mathematics. In French, shescored 82 and in math 86. The overall results on the Frenchexam had a mean of 72 and a standard deviation of 8, whilethe mean math score was 68, with a standard deviation of 12.On which exam did she do better compared with the otherfreshmen?SECTION 5.25. Shipments A company selling clothing on the Internet reporthat the packages it ships have a median weight of 68 ouncesand an IQR of 40 ounces.a) The company plans to include a sales flyer weighing 4 ouin cach package. What will the new median and IQR be?tr the company recorded the shipping weights of these npackages in ponds instead of ounces, what would the m

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Answered: placement exams in French scored 82 and…

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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What is the median value of 1.8, 7.4, 27.5, 54.8, 8.5 ?
22 Michael took 12 tests in his math class. His lowest test score was 78. His highest test score was 98. On the 13th test, he earned a 64. Select whether the value of each statistic for his test scores increased, decreased, or could not be determined when the last test score was added. Standard Deviation Median Mean Increased Decreased Could Not Be Determined acer % & 8
Please do not give solution in image formate thanku. A school psychologist wants to determine if reprimanding in public (in front of the class) or private is more effective for curbing behavior. He randomly selects 12 students whose teachers reprimand in private and 12 students whose teachers reprimand in public. At the end of the year he determines the number of misbehaviors for each student. For the public condition and mean=7.7 and s=4.1 for the private condition mean=4.2 and s=3.5. Which method is more effective? What is the percentage of variance accounted for by the method of reprimand? What is the power of your test?
The first pic is the question. Since some tutors have been solving the problems wrong recently (no judgment), I’ve added a sample question to solve problem.
In Statsville there’s a city-wide speed limit of 30 mph.If you are caught speeding the fine is $100 plus $10 forevery mile per hour you were over the speed limit. Forexample, if you’re ticketed for going 45 mph, your fine is100 + 10145 - 302 = +250. Last month all the driverswho were fined for speeding averaged 42 mph with astandard deviation of 7 mph. What were the mean andstandard deviation of the fines?A) $120 and $70 B) $220 and $7C) $220 and $70 D) $220 and $170E) $420 and $70
Winston has just gone grocery shopping. The mean cost for each item in his bag was $3.48. He bought a total of 9 items, and the prices of 8 of those items are listed below: $2.75,$4.06,$3.16,$3.92,$4.29,$2.77,$3.01,$4.57 Determine the price of the 9th item in his bag.
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Lauren is a college sophomore majoring in business. This semester Lauren is taking courses in accounting, economics, management information systems, public speaking, and statistics. The sizes of these classes are, respectively, 380, 60, 25, 70, and 65. (a) Find the mean and the median of the class sizes. Mean Median (b) What is a better measure of Lauren's "typical class size-the mean or the median? Median O Mean

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placement exams in French scored 82 and in math 86 T exam had a mean of 72 and the mean math score wasS 61