Find the standard deviation of the data summarized in the given frequency distribution.The manager of a bank recorded the amount of time each customer spent waiting in line duringpeak business hours one Monday. The frequency distribution below summarizes the results. Findthe standard deviation. Round your answer to one decimal place.Waiting time Number of(minutes) customer1.59151211035.59.513.517.521.5

Answer:- Given frequency distribution table is, Waiting time (minutes) (x) Number of customer (f)…

Answered: Find the standard deviation of the data…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? The student's weighted mean score is. (Simplify your answer. Round to two decimal places as needed.) Homework Quiz Quiz Project Final Exam Score Percent of final grade 85 90 90 98 89 15 10 10 35 30
The decrease in cholesterol level (in mg/dL) for ten individuals are listed below. Calculate the range of the data. 16 22 17 18 22 19 21 20 18 23
The ages (in years) and heights (in inches) of all pitchers for a baseball team are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. E Click the icon to view the data sets. CVneights % (Round to one decimal place as needed.) Data Table CVages (Round to one decimal place as needed.) Compare the results. What can you conclude? O A. Ages are more variable than heights for all pitchers on this team. Heights Ages 76 25 O B. Ages and heights for all pitchers on this team have about the same amount of variability. 71 28 OC. Heights are more variable than ages for all pitchers on this team. 75 28 70 25 74 25 74 25 75 27 74 27 74 26 79 34 78 34 79 37 Print Done Click to select your answer(s).
The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? Score Percent of final grade Homework 81 20 Quiz Quiz 90 15 92 15 Project Final Exam 96 20 91 30 The student's weighted mean score is (Simplify your answer. Round to two decimal places as needed.)
The following histogram displays data from a cable repair company's in-home service calls. The technicians were asked to record how long each visit took. Approximately what percentage of service calls lasted less than 60 minutes? Round you answer to the nearest percent. Frequency 50- 40- 30 20- 10- 16 62-0 37 30-59 42 60-89 16 Or 90-119 Duration of a visit, mins 40 120-149 24 150-179
Approximate the mean of the frequency distribution for the ages of the residents of a town. Age Frequency 0-9 20 10-19 37 20-29 22 30-39 24 40-49 31 50-59 48 60-69 35 70-79 14 80-89 3 The approximate mean age is= years. (Round to one decimal place as needed.)
Approximate the mean of the frequency distribution for the ages of the residents of a town. Age Frequency 0-9 31 10-19 27 20-29 14 30-39 20 40-49 22 50-59 43 60-69 46 70-79 11 80-89 7 What is the approximate mean age in years.
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Solve for the slope, y-intercept, equation of the trend line, the correlation coefficient, and the coefficient of determination for the following the data set. Show your work and explain the steps you used to solve. Round your answer to the nearest hundredth. Save Goals Percentage 36 9.61 9.42 9.35 DELL 58 66
Write one paragraph describing the data set using the histogram. Comment on the shape of the distribution of the data.
Find the mean for the recorded exam scores (in points) from a statistics exam. Round the answer to one decimal place. 36 34 92 60 55 79 74 30 Mean = 21 39 11 64 88 67 53
The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? The student's weighted mean score is (Simplify your answer. Round to two decimal places as needed.) Homework Quiz Quiz Project Final Exam Score Percent of final grade 86 10 83 10 98 10 98 40 89 30

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