The stem-and-leaf plot show a spring 2019 pre-calculus class' scores for their first exam:3342,9,953,5,561,3,7,8,8,9,972,3,4,880,3,8,8,890,2,4,4,4,4,6100Round each answer to two decimal places.Find the standard deviation of the scores for the first exam.

Answered: Image /qna-images/answer/bef9072e-312a-4a8c-be1a-6dcaf5cc8e07.jpg

Answered: The stem-and-leaf plot show a spring…

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 standardized exam's scores are normally distributed. In a recent year, the mean test score was 1538 and the standard deviation was 314. The test scores of four students selected at random are 1970, 1280, 2260, and 1430. Find the z-scores that correspond to each value and determine whether any of the values are unusual. .... The z-score for 1970 is (Round to two decimal places as needed.) The z-score for 1280 is (Round to two decimal places as needed.) The z-score for 2260 is (Round to two decimal places as needed.) The z-score for 1430 is. (Round to two decimal places as needed.) Which values, if any, are unusual? Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The unusual value(s) is/are (Use a comma to separate answers as needed.) O B. None of the values are unusual.
Use sample standard deviation formula to find the standard deviation of these BMI’s: 33.3, 28, 45.4, 28.4 and 25.9.
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.
Joey and Dee Dee bowled five games at the Rock 'n' Bowl Lanes. Their scores are given in the following table. Joey 143 170 219 157 146 Dee Dee 183 166 188 143 160 (a) Find the mean score of each bowler. (Round the answer to one decimal place.) Joey X = Dee Dee x = (b) Find the standard deviation of each bowler's scores. (Round the answer to one decimal place.) Joey S = Dee Dee s =
D3 Time (Mins) 221 180 200 126 154 343 186 275 336 200 301 248 200 346 226 233 243 304 187 313 1.) A survey was taken among college students as to how many minutes they play a newly released online game Genshin Impact per day. Using UNGROUPED statistical analysis, calculate the followig: a.) Mean, Median and Mode, b.) Varriance and Standard Deviation. (Attach the photograph of your MANUALLY WRITTEN solution in the space provided)
Debra attends a fashion institute that has no on-campus housing. The mean distance commuted to campus among all students at the fashion institute is 16 kilometers with a standard deviation of 6 kilometers. The distance Debra commutes is 29 kilometers. (a) Find the z-score of Debra's commute distance relative to the commute distances amongll the students at the institute. Round your answer to two decimal places. (b) Fill in the blanks to interpret the z-score of Debra's commute distance. Make sure to express your answer in terms of a positive number of standard deviations. Debra's commute distance is standard deviations (Choose one) v the mean commute distance among all students at the institute. Submi Continue MacBook Air
The annual income for a sample of 450 part-time students is normally distributed with a mean income of $31,000 and a standard deviation of $3,000. What is the probability their annual income is $22,000-$28,000? Do not use Excel Use Z SCORE
A basketball player makes 56 free throws in a season. The average number of free throws made in the league is 52, and the standard deviation is 4. A softball player makes 42 hits in a season. The average number of hits mase in the league is 38, and the standard deviation is 6. Calculate Z-scores for the two and compare them. Which one is better at their sport?
A survey was conducted to determine the amount of time, on average, during a given week SCAD students spend outside of class on class work (projects, homework, and studying). The data shows: 5, 7, 11, 14, 18, 22 (in hours). Calculate the standard deviation by using the appropriate formula. Round your answer to three decimal places.
z Scores LeBron James, one of the most successful basketball players of all time, has a height of 6 feet 8 inches, or 203 cm. Based on statistics from Data Set 1 “Body Data” in Appendix B, his height converts to the z score of 4.07. How many standard deviations is his height above the mean?
Professor Pete’s calculus class has the following scores: 19 21 31 32 37 45 52 55 62 63 63 65 65 77 78 Use Excel’s STDEV.S function to find the standard deviation. (round to the hundredths place)
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 122.7-cm and a standard deviation of 0.5-cm.Find P15, which is the length separating the shortest 15% rods from the longest 85%.P15 = -cm

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

The stem-and-leaf plot show a spring 2019 pre-calculus class' scores for their first exam: 3 3 4 2,9,9 5 3,5,5 6 1,3,7,8,8,9,9 7 2,3,4,8 8 0,3,8,8,8 9 0,2,4,4,4,4,6 10 0 Round each answer to two decimal places. Find the standard deviation of the scores for the first exam.