A private college advertised that last year their freshman students, on average, had a score of 1180 on the college entrance exam. Assuming that average refersto the mean, which of the following claims must be true based on this information?Note: More than one statement could be true. If none of the statements is true, mark the appropriate box.Last year some of their freshman students had a score of1180 or above on the exam.0Last year at least one of their freshman students had ascore of less than 1360 on the exam.Last year some of their freshman students had a score ofexactly 1180 on the exam.0Next year at least one of their freshman students will have ascore of at least 1180 on the exam.Last year fewer than half of their freshman students had ascore of 1180 or below on the exam.None of the above statements are true.ExplanationdayCheckX0hpⒸ2022 McGraw Hill LLCOTerms of UsePrivacy Center

Mean is the average of data points : Some values lie below mean and some values lie above the mean…

Answered: A private college advertised that last…

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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You saw back in Chapter 2 that the mean, median, mode, and midrange are used to indicate where data is centered in a data set, or in other words what a typical value in the set is. A question that is often asked is, "If they're all supposed to do the same thing, why is there more than one?" Isn't one enough? In this exercise, you will be given two small sets of data. For each set, a. find the mean, median, mode and midrange b. in your opinion, decide which of the measures BEST represents all the values in the set (best indicates a typical value), and which one does this the WORST. c. post your responses and justify them by explaining why Don't forget to respond to at least one of your classmate's posts. With this exercise, "more is better." I'll elaborate after the deadline. • Set A: the salaries of 10 employees at a company (in thousands of dollars): 50, 50, 50, 50, 50, 50, 50, 50, 50, 500 • Set B: the grades of 9 students on an exam: 20, 25, 30, 35, 40, 45, 100, 100, 100
The mean work week for engineers in a start-up company is believed to be about 62 hours. A newly hired engineer hopes that it's shorter. She asks 8 engineering friends in start-ups for the lengths of their mean work weeks. Their responses are 50,51,45,51,56,64,66,63 n = . s = || 18
I don't understand how to complete this. please show step by step
A job placement agency advertised that last year its clients, on average, had a starting salary of $39,500 . Assuming that average refers to the mean, which of the following claims must be true based on this information? Note: More than one statement could be true. If none of the statements is true, mark the appropriate box. Last year some of their clients had a starting salary of less than $35,000 . Two years ago some of their clients had a starting salary of at least $39,500 . Last year, the number of their clients who had a starting salary of more than $39,500 was equal to the number of their clients who had a starting salary of less than $39,500 . Last year at least one of their clients had a starting salary of exactly $39,500 . Last year all of their clients had a starting salary of at least $39,500 . None of the above statements are true.
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 *
The data sets give the ages of award winners from 2000 to 2005 at the time of the award. Use the data to answer the questions. Men Women a) Without calculating, which data set has the greater mean age? Year 2000 2001 2002 STABI 2003 2004 2005 ~ Men Age Phil 44 39 Geoff 47 Chris Ed Sean 33 41 Mike 46 b) Verify your conjecture from part (a) by calculating the mean age for each data set. Mean (Men) 41.67 Mean (Women) 29 (Round to the nearest hundredth as needed.) IT Year 2000 2001 2002 2003 2004 2005 Women Megan Elizabeth Katherine Tanya Susan Jennifer Age 24 35 27 27 29 32
Which of the following statement is an example of inferential statistics? Select the correct response: Twenty-eight percent of the selected tourism students love Statistics. Viewership studies using a sample of television households indicate that the share of the audience for Channel 5 news has increased by 5%. Cigarettes were associated with 29% of the 4,470 civilian fıre deaths in 1989 Internet access is offered by 45% of Manila Public Libraries, up from 21% in 1994.

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