The following data represent the amount of time (in minutes) a random sample of eight students took to complete the online portion of ari exam in a parlicular statistics course. Compute the mean, median, and mode time.60.5, 80.4, 86.2, 104.1, 128.4, 100.1, 94.7, 125.4 DCompute the mean exam time. Select the corect choice below and, if necessary, fill in the answer box to complete vour choice.O A. The mean exam time is(Round to two decimal places as needed.)O B. The mean does not existCompute the median exam time. Select the correct choice below and, if necessary, fill in the answer box to compete yon choiceO A. The median exam time is(Round to two decimal places as needed.)O B. The median does not exist.Compute the mode exam time. Select the correct choice below and, if necessary, fil in the answer box tbcomplele your choiceO A. The mode is.(Round to two decimal places as needed. Use a comma to soparate answers As needed.OR The mode dnoe not avictNextStatcrunchO 9 0 7:23

We have to calculate mean,median and mode of the given data.

Answered: The following data represent the amount…

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

The average house has 14 paintings on its walls. Is the mean larger for houses owned by teachers? The data show the results of a survey of 14 teachers who were asked how many paintings they have in their houses. Assume that the distribution of the population is normal. 15, 13, 16, 16, 17, 14, 14, 15, 13, 13, 15, 16, 15, 16 What can be concluded at the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Но: ? Select an answer v H: ?v Select an answer v c. The test statistic ? v = (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ? va f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest that the population mean number of paintings that are in teachers' houses is not significantly more than 14 at a = 0.01, so there is insufficient evidence to conclude that…
In a statistics class, 10 scores were randomly selected with the following results (mean = 71.5): 74, 73, 77, 77, 71, 68, 65, 77, 67, 66 What is the standard deviation?
The following items represent the number of birds observed at a given feeder over the past several days. What is the mean number of birds to visit that feeder? 96, 76, 54, 64, 7, 32, 72
A developmental psychologist is interested in studying how long babies gaze at a photograph of a human face. To test this question, she shows a picture to a sample of six babies and records the length of their gaze in seconds. The data are as follows: 12, 17, 18, 20, 20, 29. Calculate the mean, median, mode, range, variance and standard deviation for the sample.
A university placement office sent a questionnaire to a sample of business graduates requesting information on monthly salaries. The following data shows the monthly salary (in thousands) of 11 graduates. 28, 35, 48, 20, 40, 40, 22, 19, 60, 55, 10 Calculate (i) the arithmetic mean, (ii) the geometric mean, (iii) the median and (iv) the mode.
Use the following set of numbers (6, 2, 4, 2, 8, 3, 10, 10, 2, 4) to determine the sum of squares , sample standard deviation , and population standard deviation .
A random sample of 25 Berkeley College students was asked, “How many hours per week typically do you work outside the home?” Their responses were as follows: {0, 0, 15, 20, 30, 40, 30, 20, 35, 35, 28, 15, 20, 25, 25, 30, 5, 10, 30, 24, 28, 30, 35, 15, 15} a. Find the mean, the median and the mode of hours worked outside the home for the sample data. Show all your work to justify your answer. b. Use the above data to complete the following table summarizing the number of hours worked outside the home. Express the relative frequency as a percent. Class Tally Frequency Relative Frequency 0-10 11-20 21-30 31-40 Total c. Find the five-number summary of the hours worked outside of the home by the 25 Berkeley College students.
Which statistic (mean, median, or mode) is most appropriate in each of the following situations? a. Tables in the dining hall are numbered 1 through 12 for students who eat there. The principal calls out a number for the table that will go through the buffet line first. The other tables follow in order of the table numbers. One student is sure the principal calls certain tables more often. She keeps track of which numbers are called over a 21-day period. Mean O Median Mode b. The offensive line of a football team is larger than in previous years. The program will list a statistic to show this fact. O Mean O Median Mode c. A reporter is doing a story on the falling prices of homes in a large neighborhood. The reporter wants to demonstrate how the prices have fallen for the typical home, not just the most expensive houses. Mean O Median Mode
Find the mean median and mode for the score in the following frequency distribution table
Refer to the sample data for pre-employment drug screening shown below. If one of the subjects is randomly selected, what is the probability that the test result is a false positive? Who would suffer from a false positive result? Why? Positive test result Negative test result Drug Use Is Indicated Drug Use Is Not Indicated Subject Uses Drugs 39 14 Subject Is Not a Drug User 2 36 Pre-Employment Drug Screening Results The probability of a false positive test result is (Round to three decimal places as needed.)
The accompanying table contains the overall download and upload speeds in mbps for nine carriers in a particular country. a. Compute the mean and median. Data table The mean download speed is (Type an integer or decimal rounded to two decimal places as needed.) Carrier Download Speed Upload Speed Carrier 1 22.7 14.9 The mean upload speed is. (Type an integer or decimal rounded to two decimal places as needed.) Carrier 2 22.0 12.9 Carrier 3 20.7 8.8 The median download speed is. Carrier 4 16.6 11.1 (Type an integer or decimal rounded to two decimal places as needed.) Carrier 5 11.5 6.1 Carrier 6 9.9 6.5 The median upload speed is. (Type an integer or decimal rounded to two decimal places as needed.) Carrier 7 10.6 6.5 Carrier 8 6.7 3.0 b. Compute the variance, standard deviation, range, and coefficient of variation. Carrier 9 4.3 3.9 The variance for the download speeds is. (Type an integer or decimal rounded to two decimal places as needed.) Print Dore P Type here to search 7. 3. T Y.…

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