H.Six hundred adult Americans were asked by telephone poll, "What do you think constitutesa mlddle-class income?" The results are in Table 2.71. Also, Include left endpoint, but notthe right endpoint.Relative4Salary ($)frequency<20,0000.026.20,000-25,0000.0925,000-30,0000.198.30,000-40,0000.2640,000-50,0000.181050,000-75,0000.171175,000-99,9990.0212100,000+0.011314a. What percentage of the survey answered "not sure"?b. What percentage think that middle-class is from $25,000 to $50,000?c. If you constructed a histogram of the data. (Note: you do not actually have to make a histogram)i. Should all bars have the same width, based on the data? Why or why not?İi. How should the <20,000 and the 100,000+ intervals be handled? Why?1915161718d. Find the 40th percentilee. Find the 80th percentile20LO2-1-LO2-2 -LO2-3L02-6 -LO2-71.2.3.

“Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Answered: Six hundred adult Americans were asked…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

M3
Among fatal plane crashes that occurred during the past 55 years, 553 were due to pilot error, 79 were due to other human error, 288 were due to weather, 533 were due to mechanical problems, and 111 were due to sabotage. g Construct the relative frequency distribution. What is the most serious threat to aviation safety, and can anything be done about it? --..- Complete the relative frequency distribution below. Relative Cause Frequency % Pilot error Other human error Weather % Mechanical problems % Sabotage % (Round to one decimal place as needed.)
The following graph represents the results of a survey, in which a random sample of adults was asked if they believed that divorce was morally wrong in general. Complete parts (a) through (c) below. Opinion Regarding Divorce Depends on situation Morally wrong Morally acceptable 0 20 40 60 80 100 Percentage of respondents (a) What percent of the respondents believe divorce is morally acceptable? About 72% of the respondents (Round to the nearest whole number as needed.) (b) If there are 254 million adults in the country, how many believe that divorce is morally wrong? About 53 million adults (Round to the nearest million as needed.) (c) If a polling organization claimed that the results of the survey indicate that 8% of adults believe that divorce is acceptable in certain situations, would you say this statement is descriptive or inferential? Why? The statement is because it
In a survey that asked individuals about their favorite styles of music, 37 replied rock, 27 said they preferred pop music, 14 stated they like classical music the most, and 3 individuals stated they preferred opera. Based on this data, what would be the mode? Why couldn’t the mean or median be used to describe this set of values?
The monthly rents (in dollars) paid by 7 people are given below. (Note that these are already ordered from least to greatest.) 790, 930, 1015, 1025, 1060, 1075, 1098 Send data to calculator Suppose that one of the people moves. His rent changes from $790 to $720. Answer the following. (a) What happens to the median? O It decreases by $ O It increases by O It stays the same. (b) What happens to the mean? O It decreases by $ It increases by O It stays the same.
The numbers of students in the 10 schools in a district are given below. (Note that these are already ordered from least to greatest.) 204, 250, 255, 262, 274, 311, 369, 381, 389, 415 Send data to calculator Suppose that the number 204 from this list changes to 304. Answer the following. (a) What happens to the mean? It decreases by U O It increases by O It stays the same. (b) What happens to the median? O It decreases by O It increases by O It stays the same.
The geometric mean and harmonic mean of two non-negative observations are 10 and 8 respectively. Then what is the arithmetic mean of the observations equal to?
I need help filling in the following blanks based on the attached table: The median frequency of attendance is [Blank]. This means [Blank] percent of people in this sample attend [Blank] or less. The 36th percentile is [Blank]. That means [Blank] percent of people in the same area attend [Blank] or less frequently. The 65th percentile is [Blank]. That means [Blank] percent of people in the same area attend [Blank] or less frequently. frequently.

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS