The college physical education department offered an advanced first aid course last summer. The scores on the comprehensive finalexam were normally distributed, and the z-scores for some of the students are shown below.Robert 1.02JuanHaley -1.82JoelJanLinda1.900.00-0.76JuanHaleyJoelJanLinda1.64(a) Which of these students scored above the mean? (Select all that apply.)RobertJuanHaleyJoelJanLinda(b) Which of these students scored on the mean? (Select all that apply.)RobertJuanHaleyJoelJanLinda(c) Which of these students scored below the mean? (Select all that apply.)Robert6.2(d) If the mean score was μ = 152 with standard deviation o = 23, what was the final exam score for each student? (Round youranswers to the nearest whole number.)RobertJuanHaleyJoelJanLinda

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Answered: (a) Which of these students scored…

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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A teacher surveyed the students in one of his algebra classes, asking how many hours they spend watching TV shows, movies, and videos on a weekday. Their responses are given. Complete parts (a) through (e) below. 10 3 4 2 35 0 2 1 5 2 4 2 1 0 1 2 3 743 3 4 b. One student wrote "3-9." What value would represent this response well? Include the value in the sample for parts (c) through (d). A good value to represent the range 3-9 is c. Construct a dotplot. Choose the correct graph below. OA. TV, Movie, and Video Viewing Time O B. TV. Movie, and Video Viewing Time 02 4 8. 10 6. Hours 10 Hours OC. TV, Movie, and Video Viewing Time OD. TV. Movie, and Video Viewing Time 4. Hours 8 10 2 8. 10 C Hours d. What proportion of the observations are between 1 and 3 hours, inclusive? The proportion of the observations between 1 and 3 hours, inclusive is (Round to the nearest thousandth as needed) e. What proportion of the observations are less than 5 hours? Activate Windows Go to Settings to activate…
Task-1. A professor at a university is wishing to determine whether his introductory statistics class has a good grasp of basic math or not. For this purpose, he chooses six students from his class and gives them a math proficiency test. To have a good grip of basic maths, the professor wants the class score above 70 marks on the test. The scores that the sample of six students gets are 62, 92, 75, 68, 83, and 95. Can the professor say with 90% confidence that the mean score for the whole class on the test would be above 70?
Eugene must take four exams in a geography class. If his scores on the first three exams are 91, 67, and 82, what score does he need on the fourth exam for his overall mean to be the following? (a) at least 70 (b) at least 80
Eugene must take four exams in a geography class. If his scores on the first three exams are 93, 68, and 82, what score does he need on the fourth exam for his overall mean to be the following? (a) at least 70(b) at least 80(c) at least 90
Is the number two in the sentence a statistic or a perimeter? Two students out of all 29 students in a class have red hair.
Solve it on the paper.
What conclusions do you reach from this chart? A. There is an approximately equal percentage of males and females who enjoy shopping for clothing. B. There is a higher percentage of males who enjoy shopping for clothing. C. There is a higher percentage of females who enjoy shopping for clothing. D. The side-by-side bar chart is inconclusive. O A. Yes- No- 0. 100 200 300 400 Frequency Male C Female
Find the mean, the median, and the mode of the following salaries of employees of the Moe D. Lawn Landscaping Company. (If an answer does not exist, enter DNE.) mean $ 31750 median $ 29500 mode $ DNE Salary Frequency $23,000 4 $29,000 3 $30,000 $45,000 1 PictureNt/Corbis
explain simply
A marketing company is interested in the proportion of people that will buy a particular product. Match the vocabulary word with its corresponding example. -abcdef The list of the 380 Yes or No answers to whether the person bought the product -abcdef The proportion of the 380 observed people who buy the product -abcdef The answer Yes or No to whether a person bought the product -abcdef The proportion of all people in the company's region who buy the product -abcdef The 380 randomly selected people who are observed to see if they will buy the product -abcdef All people in the marketing company's region Data Variable Parameter Sample Statistic Population
A group of 175 college students who took math last term were interviewed. They were asked whether they passed their math course and whether they live on campus. Their responses are summarized in the following table. Passed math Failed math Live on campus 49 21 Live off campus 28 77 ? |(a) What percentage of the students passed math? 1% |(b) What percentage of the students live on campus? % |(c) What percentage of the students who live on campus passed math? [% |(d) Is there evidence that students who live on campus tend to pass math more often than average? O No, because the percentage found in part (c) is about the same as the percentage found in part (a). O No, because the percentage found in part (c) is about the same as the percentage found in part (b). O Yes, because the percentage found in part (c) is much greater than the percentage found in part (a). O Yes, because the percentage found in part (c) is much greater than the percentage found in part (b).
In a city with three high schools, all the ninth graders took a Standardized Test, with these results: Number of ninth graders (Frequency) Mean Test Score High School Glenwood 82 262 Central 92 311 Lincoln 67 168 The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was the average of 82, 92, and 67, whic incorrect. What is the mean score for all ninth graders in the city? Round to one decimal place 80.3. Of course, that is Mean of all ninth grader's scores *

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