NameConstructing and Describing Frequency TablesThe prelim grade in chemistry of 20 students at ABC University are recorded as follows:8078 82 83 78 7880 74 71 697691Interpretation:Scorea. Construct a table showing the frequency and percent distribution of these scores.b. Write a one-paragraph narrative summarizing the distribution as revealed in your table.ScorecfC%f%74 70 68 7184 81 7679

a) Given information: Score f, frequency %=corresponding frequencyTotal frequency*100% cf c% 68…

Answered: The prelim grade in chemistry of 20…

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

A. Marks for a university business statistics class are given in the following table. BEEE 63 74 42 65 51 54 36 56 68 57 62 76 79 77 31 84 68 71 98 71 69 75 91 55 48 82 83 54 79 62 68 58 41 47 Construct а. a frequency distribution b. a relative frequency distribution С. a cumulative frequency distribution d. a cumulative relative frequency distribution e. a histogram f. an ogive g. a stem-and-leaf display. h. Briefly comment on the shape of the distribution based on the histogram. i. Use the following grading scheme to construct a pie chart (79:A).
3.Construct a grouped frequency distribution with 8 classes. Also find out cumulative frequencies and relative frequencies. 102 104 140 136 152 132 158 173 128 141 130 133 147 148 141 129 133 137 179 147 152 114 124 138 129 164 135 128 139 154 168 148 152 116 107 136 167 143 139 152
1. The number library books read in one semester by a group of 30 second graders is given in the table at the right. Create a reasonable frequency table for this data set with exactly 5 classes. Include a relative frequency column in the table. 39 52 59 45 48 48 56 78 63 58 64 43 20 72 39 59 67 66 55 68 27 63 69 67 60 57 48 36 49 56 2. Construct an ordered stem-and-leaf plot for the data given above in #8. Then, describe the shape of the distribution of the data set (either skewed left or skewed right or symmetric). (HINT: to keep appropriate spacing, choose Times New Roman font format for cells used to display the plot and begin each entry with an apostrophe to make the values act as text versus a single number.)
Consider the ages of 18 employees in a fast-food chain: 46 37 45 52 56 26 25 47 55 29 40 31 50 33 42 59 37 49 a. Use the stem – and – leaf to display the given data.b. Construct the frequency distribution table.
2. Here are the scores on the first exam in an introductory statistics course for 30 students in one statistics course: 57 59 61 65 68 70 70 73 73 75 75 75 78 80 80 80 82 82 83 85 85 87 90 90 91 92 92 94 94 98 Use these data to make a stemplot. Use the stemplot to describe the distribution of the first-exam scores for this course.
A student must have a B average or better for all courses to qualify for any athletic team at Jefferson High School. The table below shows the distribution of students' grades in three sports at the school. Students with Students with a Sport an A Average B Average Field hockey 15 4 Basketball 7 13 Football 2 22
The following data describes percentage of satisfied customers at Touchdown Sporting Goods. Complete the frequency table for this data. 86.9, 80.8, 91.1, 77.4, 85.6, 84.3, 86.6, 77.8, 88.6, 87.2, 87.3, 93.1, 95.8, 90.8, 84.9, 79.1, 86.1, 80.3 Determine the frequency of each class in the table shown. Answer Percentage of Satisfied Customers at Touchdown Sporting Goods Class 77.0-80.9 81.0-84.9 85.0-88.9 89.0-92.9 93.0-96.9 Frequency E
Descriptive Statistics.For the given data:4 8 18 20 21 22 23 24 25 26 27 28 29 30 30 31 31 32 32 33 33 34 35 36 37 38 39 47 53 a. Make a Frequency Diagram with 7 classes.b. Draw the histogram.
The table below summarizes rental costs for a group of college students with one bedroom apartments. $860 $875 $880 $885 $885 $885 $890 $890 $895 $895 $895 $895 $900 $900 $900 $905 $910 $910 $925 $925 a. Make a frequency distribution using 10-point bins. Include the relative and cumulative frequency.
1. Construct a frequency distribution using the ages of 50 richest people in the world in 2009. Using 8 classes. Also find class boundaries, mid points, relative frequency and cumulative frequency. 90 89 87 86 86 85 83 83 82 81 80 78 78 77 76 73 73 73 72 69 69 68 67 66 66 65 65 64 63 61 61 60 59 58 57 56 54 54 53 53 51 51 49 47 46 44 43 42 36 35 2. Following data represents the weights (in pounds) of 40 female students at a university. Construct a grouped frequency distribution for the data using 7 classes. Also find class boundaries, mid points, relative frequency and cumulative frequency of each class. 100 75 70 60 70 95 85 80 35 45 45 55 30 110 75 100 40 60 65 40 40 50 60 65 55 45 90 85 75 85 75 70 110 100 80 70 55 30 70 100 3. Construct frequency distribution, with 6 classes. Also find class boundaries, mid points, relative frequency and cumulative frequency of each class. 65 91 85 76 85 87 79 93 82 75 100 70 88 83 59 87 69 89 54 74 89 80 94 67 77 92 82 70 94 84 96 98 46 70 90 96…
3. The following is the frequency distribution of the scores of students in a Mathematics Test. Classes F 65 – 69 12 70 – 74 18 75 – 79 20 80 – 84 15 85 – 89 10 Find the mean, median and mode of the scores.
Find the 25th, 50th, and 75th percentile from the following list of 25 observations. 9. 15 24 31 35 38 42 48 49 54 57 60 62 72 73 74 76 78 80 89 92 93 94 99 25th percentile = 50th percentile = 75th percentile %3D

SEE MORE QUESTIONS

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