Find the standard deviation for the grouped data.O A. 5.4Interval FrequencyО В. 5.10-316О С. 4.84-713O D. 4.68-111212-15816-1920-231

Answered: Image /qna-images/answer/34cd77f3-bf06-4a09-825c-9d3b1ff403e7.jpg

Answered: Find the standard deviation for the…

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

For each sets of data create a stem and leaf plot and then make the histogram using the appropriate number of class intervals. 1. We are given the data 14.1 ; 13.3 ; 14.4 ; 13.4 ; 12.7; 11.3 ; 13.3 12.2 ; 14.8 ; 14,7 ; 13.1 ; 11.3 ; 12.9 ; 12.0 11.9 ; 11.7 ; 12.8 ; 12.6 ; 13.1; 12.6 ; 12.9 13.8 ; 11.4 ; 11.1; 14.2 ; 13.8 ; 14.1 ; 13.6 (a) Construct the stem-and-leaf display for these data. Calculate the median. (b) Construct a frequency distribution and a histogram.
37. Find the standard deviation and coefficient of variation from the following data: No. of Students Marks No. of Students Marks Up to 10 12 Up to 50 157 20 30 60 202 99 30 65 70 222 40 107 ed blo 80 230
Marks Number of Students 2 5 3 6 4 4 5 1 6 15 7 20 8 10 9 3 The teacher set a mathematics quiz and is marked out of 10. His students' marks are summarised in the table above. a) Construct an appropriate frequency table and draw a histogram to depict the data above, b) Compute the mean. c) Calculate the variance and standard deviation. d) Calculate the coefficient of variation. e) Interpret the distribution of marks s shown in the histogram.
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 51.1 miles per hour. Speed (miles per hour) Frequency 42-45 23 The mean of the frequency distribution is (Round to the nearest tenth as needed.) 46 - 49 15 miles per hour. 50-53 54-57 58-61 6 4 Which of the following best discribes the relationship between the computed mean and the actual mean? O A. The computed mean is not close to the actual mean because the difference between the means is less than 5%. OB. The computed mean is close to the actual mean because the difference between the means is more than 5%. O C. The computed mean is close to the actual mean because the difference between the means is less than 5%. O D. The computed mean is not close to the actual mean because the difference between the means is more than 5%.
In a sample of n = 56 observations The sum of x is ∑x = 4135 The sum of x² is ∑x² = 315647 15 Suppose one of the observations in the data set in the previous question is x = 88. This data point deviates from the mean by ______ standard deviations. a 1.03 b 1.15 c 1.28 d 1.42
Please, find Geometric Mean, Harmonic Mean, Mode, Median & Quartile Deviation of the given data. ASAP Classes 0-9 10-19 20-29 30-39 40-49 50-59 60-69 70-79 80-89 90-99 f 7 16 21 29 34 45 24 14 09 5
Here are some ratings of the K-12 education system, on a scale from 1 to 10. 8. 5 8 7 7 4 8. 7 1 10 4 7 7 7 4 6 8 7 10 5 8. 7 10 10 7 7 0. Find the minimum and maximum of the data. 1. Make a frequency table of the data, with single digit intervals. 2. Create a histogram of the data from the frequency table.
Will upvote who will answer this properly and correctly. Thank you.
The estimated distribution (in millions) of the population by age in a certain country for the year 2015 is shown in the pie chart. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. Use 70 as the midpoint for "65 years and over." ... The sample standard deviation is s = as needed.) Under 4 years: 23.3 5-14 years: 42.4 15-19 years: 19.2 20-24 years: 23.5 25-34 years: 43.5 35-44 years: 40.3 45-64 years: 81.8 65 years and over: 52.9 (Round to two decimal places
Three students were applying to the same graduate school. They came from schools with different grading systems. Student GPA School Average GPA School Standard Deviation Thuy 2.6 2.4 0.5 Vichet 83 90 20 Kamala 8.7 8.2 0.8 Table 2.74 How many standard deviations is each student away from hiir school average? If the student GPA is higher than his school average, enter this as a positive number. If the student GPA is lower than his school average, enter this as a negative number. Thuy is Number standard deviations from Thuy's school average. Vichet is Number standard deviations from Vicheť's school average. Kamala is Number standard deviations from Kamala's school average. Which student had the best GPA when compared to other students at his school? O Thuy O Vichet O Kamala
Q.9. Calculate missing frequencies from the following when mean is 13-75. No. of students : 4 8 10 12 18 24 22 frequency : 13 11 9 8 10
Name C: Compute the mean & the standard deviation of the following slightly larger data set (again, with no rounding): (X₁-Xbar) (x₁ - Xbar)² i 1 2 3 4 5 7.2 7.1 7.1 6 7.2 7 7.1 8 7.2 9 7.1 10 7.2 11 7.2 12 7.2 Σ(x₁) = 861 N = Xbar = 775 error = X₁ 7.2 7.3 diff diff = Tex 6. Bood 16,00 44 forgova Nove 6103 or $3 Σ(x₁ - Xbar)² = N - 1 = σA = Percent Error & Percent Difference: Use your values from the C data set in part IV & a value for Xknown = 7.21 to compute the error, relative error, & %E. Write down your symbolic formulas in the space below each answer. Include +/- signs. D forory?" rel. GA=6,087 % rel. σA=FU 70 rel. error = on God A rel. error = rel. diff 404 0,06 rel. diff= x lab I fuc error = ₁x fre = 7.1 & X₂ 7.3, to compute the diff, rel. diff, & %D. Use two experimental values, Write down your symbolic formulas in the space below each answer. ylab-x the %E= = %E= %D= %D=

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

Find the standard deviation for the grouped data. O A. 5.4 O B. 5.1 Interval Frequency 0-3 16 O C. 4.8 4-7 13 O D. 4.6 8-11 12 12-15 16-19 20-23 1