Construct a grouped data frequency distribution for the ages of the presidents, let the first data2. The ages of the current and former U.S. Presidents can be found in this file: President's AgesUse the information to finda.Mean ageb. Median ageс.Mode aged. Standard deviationThe interval representing one standard deviation of the meanWhat percent of presidents were within 1 standard deviation of the mean at the time theye.f.began their presidency?The interval representing 2 standard deviations of the meang.What percent of the presidents were within 2 standard deviations of the mean at the time theybegan their presidency?i.class be 42-48. #PresidentAge at start of presidency1 George Washington572 John Adams613 Thomas Jefferson574 James Madison575 James Monroe586 John Quincy Adams7 Andrew Jackson57618 Martin Van Buren549 William Henry Harrison10 John Tyler685111 James K. Polk4912 Zachary Taylor6413 Millard Fillmore5014 Franklin Pierce4815 James Buchanan6516 Abraham Lincoln5217 Andrew Johnson5618 Ulysses S. Grant19 Rutherford B. Hayes465420 James A. Garfield4921 Chester A. Arthur5122 Grover Cleveland4723 Benjamin Harrison5524 Grover Cleveland5525 William McKinley5426 Theodore Roosevelt4227 William Howard Taft5128 Woodrow Wilson5629 Warren G. Harding30 Calvin Coolidge555131 Herbert Hoover5432 Franklin D. Roosevelt5133 Harry S. TrumanD. Eisenhower35 John F. Kennedy6034 Dv624336 Lyndon B. Johnson5537 Richard Nixon5638 Gerald Ford6139 Jimmy Carter40 Ronald Reagan526941 George H. W. Bush6442 Bill Clinton4643 George W. Bush5444 Barack Obama4745 Donald Trump70

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2. The ages of the current and former U.S. Presidents can be found in this file: President's Ages Use the information to find a. Mean age b. Median age Mode age С. d. Standard deviation The interval representing one standard deviation of the mean What percent of president's were within 1 standard deviation of the mean at the time they е. f. began their presidency? g. The interval representing 2 standard deviations of the mean 5 What percent of the presidents were within 2 standard deviations of the mean at the time they began their presidency? Construct a grouped data frequency distribution for the ages of the presidents, let the first data i. class be 42-48.

2. The ages of the current and former U.S. Presidents can be found in this file: President's Ages Use the information to find a. Mean age b. Median age Mode age С. d. Standard deviation The interval representing one standard deviation of the mean What percent of president's were within 1 standard deviation of the mean at the time they е. f. began their presidency? g. The interval representing 2 standard deviations of the mean 5 What percent of the presidents were within 2 standard deviations of the mean at the time they began their presidency? Construct a grouped data frequency distribution for the ages of the presidents, let the first data i. class be 42-48.

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

Construct a grouped data frequency distribution for the ages of the presidents, let the first data
2. The ages of the current and former U.S. Presidents can be found in this file: President's Ages
Use the information to find
a.
Mean age
b. Median age
с.
Mode age
d. Standard deviation
The interval representing one standard deviation of the mean
What percent of presidents were within 1 standard deviation of the mean at the time they
e.
f.
began their presidency?
The interval representing 2 standard deviations of the mean
g.
What percent of the presidents were within 2 standard deviations of the mean at the time they
began their presidency?
i.
class be 42-48.

#
President
Age at start of presidency
1 George Washington
57
2 John Adams
61
3 Thomas Jefferson
57
4 James Madison
57
5 James Monroe
58
6 John Quincy Adams
7 Andrew Jackson
57
61
8 Martin Van Buren
54
9 William Henry Harrison
10 John Tyler
68
51
11 James K. Polk
49
12 Zachary Taylor
64
13 Millard Fillmore
50
14 Franklin Pierce
48
15 James Buchanan
65
16 Abraham Lincoln
52
17 Andrew Johnson
56
18 Ulysses S. Grant
19 Rutherford B. Hayes
46
54
20 James A. Garfield
49
21 Chester A. Arthur
51
22 Grover Cleveland
47
23 Benjamin Harrison
55
24 Grover Cleveland
55
25 William McKinley
54
26 Theodore Roosevelt
42
27 William Howard Taft
51
28 Woodrow Wilson
56
29 Warren G. Harding
30 Calvin Coolidge
55
51
31 Herbert Hoover
54
32 Franklin D. Roosevelt
51
33 Harry S. Truman
D. Eisenhower
35 John F. Kennedy
60
34 Dv
62
43
36 Lyndon B. Johnson
55
37 Richard Nixon
56
38 Gerald Ford
61
39 Jimmy Carter
40 Ronald Reagan
52
69
41 George H. W. Bush
64
42 Bill Clinton
46
43 George W. Bush
54
44 Barack Obama
47
45 Donald Trump
70

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