1) A medical research team studied the ages of patients who had strokes caused by stress. The ages of 34 patients whosuffered stress strokes were as follows. NOTE: Use your own paper to show the answers to this problem.29 30 36 41 45 50 57 61 28 50 36 5860 38 36 47 40 32 58 46 61 40 55 3261 56 45 46 62 36 38 40 50 27a) Construct a frequency and relative frequency distribution for these ages. Use 8 classes beginning with a lower class limitof 25.b) Construct a histrogram.c) Construct a frequency polygon.2) The numbers below represent the commute times (in minutes) for a group of college students.11 16 12 16 13 25 26 35 2 1223 12 16 34 21 4 7 24 23 34a) Construct a stem and leaf display. Use your own paper to show this display.b) Find the mean.c) Find the median.d) Find the mode.e) Which of the previously found measures of central tendancy is the most accurate for the data? Explain why.3) This double-bar graph shows the number of male (M) and female (F) athletes at a university over a four-year period.500di 450a 400350300* 250200150100501986198719881989YEARa) What percentage of all students involved in athletics in 1986 was female?b) Which year had the same number of male and female athletes?Number of Athletes 4) In a school survey, students showed these preferences for instructional materials. Answer the question.Computer36%9%5%RadioHrittenTVFilm12%20%18%Lecturea) About how many students would you expect to prefer lectures in a school of 300 students?b) How many degrees are in the central angle for the "radio" sector?5) Use this graph to answer the question.(Answer questions with the month number NOT the assumed month name.)Big "D" Sales for 2009, 2010767268201064Sales60(thousands of dollars) 565248200944401 2 3 4 5 6 7 8 9 10 11 12Montha) Which month in 2009 had the lowest sales?b) Which month in 2010 had the highest sales?c) Which month has the smallest change in sales from 2009 to 2010?d) What is the sales amount in month 9 in 2010?

Since you have asked multiple questions, we will solve the first question for you. If you want any…

1) A medical research team studied the ages of patients who had strokes caused by stress. The ages of 34 patients who suffered stress strokes were as follows. NOTE: Use your own paper to show the answers to this problem. 29 30 36 41 45 50 57 61 28 50 36 58 60 38 36 47 40 32 58 46 61 40 55 32 61 56 45 46 62 36 38 40 50 27 a) Construct a frequency and relative frequency distribution for these ages. Use 8 classes beginning with a lower class limit of 25. b) Construct a histrogram. c) Construct a frequency polygon.

1) A medical research team studied the ages of patients who had strokes caused by stress. The ages of 34 patients who suffered stress strokes were as follows. NOTE: Use your own paper to show the answers to this problem. 29 30 36 41 45 50 57 61 28 50 36 58 60 38 36 47 40 32 58 46 61 40 55 32 61 56 45 46 62 36 38 40 50 27 a) Construct a frequency and relative frequency distribution for these ages. Use 8 classes beginning with a lower class limit of 25. b) Construct a histrogram. c) Construct a frequency polygon.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

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1) A medical research team studied the ages of patients who had strokes caused by stress. The ages of 34 patients who
suffered stress strokes were as follows. NOTE: Use your own paper to show the answers to this problem.
29 30 36 41 45 50 57 61 28 50 36 58
60 38 36 47 40 32 58 46 61 40 55 32
61 56 45 46 62 36 38 40 50 27
a) Construct a frequency and relative frequency distribution for these ages. Use 8 classes beginning with a lower class limit
of 25.
b) Construct a histrogram.
c) Construct a frequency polygon.
2) The numbers below represent the commute times (in minutes) for a group of college students.
11 16 12 16 13 25 26 35 2 12
23 12 16 34 21 4 7 24 23 34
a) Construct a stem and leaf display. Use your own paper to show this display.
b) Find the mean.
c) Find the median.
d) Find the mode.
e) Which of the previously found measures of central tendancy is the most accurate for the data? Explain why.
3) This double-bar graph shows the number of male (M) and female (F) athletes at a university over a four-year period.
500
di 450
a 400
350
300
* 250
200
150
100
50
1986
1987
1988
1989
YEAR
a) What percentage of all students involved in athletics in 1986 was female?
b) Which year had the same number of male and female athletes?
Number of Athletes

4) In a school survey, students showed these preferences for instructional materials. Answer the question.
Computer
36%
9%
5%
Radio
Hritten
TV
Film
12%
20%
18%
Lecture
a) About how many students would you expect to prefer lectures in a school of 300 students?
b) How many degrees are in the central angle for the "radio" sector?
5) Use this graph to answer the question.
(Answer questions with the month number NOT the assumed month name.)
Big "D" Sales for 2009, 2010
76
72
68
2010
64
Sales
60
(thousands of dollars) 56
52
48
2009
44
40
1 2 3 4 5 6 7 8 9 10 11 12
Month
a) Which month in 2009 had the lowest sales?
b) Which month in 2010 had the highest sales?
c) Which month has the smallest change in sales from 2009 to 2010?
d) What is the sales amount in month 9 in 2010?

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The following are the ages of 30 employees at a local computer company: 29 35 21 28 25 36 44 27 24 24 19 21 33 32 49 25 26 20 32 29 23 37 26 31 29 28 25 25 30 24 0. Find the minimum and maximum of the data. 1. Create a stemplot of the data. 2. Organize the stems of the stemplot. 3. Create a new stemplot by splitting the stems. 4. Make a frequency table of the data, with a first interval of “19-22": 5. Create a histogram of the data from the frequency table. 6. Check your work by replicating the histogram on your calculator.