The following 10 values represented in the frequency table are the race finish times in hours for a randomly selected group of participants in an extreme 10-kilometre race (a 10k race with obstacles).Which of the following is closest to the mean of the data set?Hoursf0.9111.11.211.31.41.5N = 10O 1.5 hoursO 1.37 hoursO 1 hoursO 1.2 hours21

Answered: Image /qna-images/answer/ff810251-04c2-4189-a5f3-6b84df5efb64.jpg

Answered: The following 10 values represented in…

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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A personal trainer analyzes the progress of her clients. So she calculates the body mass index (BMI) for each. The BMIs for all of her current clients are given below. Construct a frequency table for these values using 5 classes. 18.1,20.8,22.2,23.1,23.4,23.6,24.4,25.1,25.4,26.4,27.7,30.7 Provide your answer below: Lower Class Limit Upper Class Limit Frequency 20.6 23.2 3 25.8 5 25.9 28.5 31.0 1
* Q1) b- for the following data, (19, 32, 26, 71, 88, 45, 59), the Harmonic Mean (H) is 37.4406 O 37.6044 O 37.4064 O 37.0644 O none of all above O
5
university health officials are interested in determining the average number of hours of sleep undergraduates get during a week of classes. a randomly selected 200 undergraduates and asked the number of hours they sheri during a school week. which one of the following types of graphs should not be used to display this data? a. pie chart b. histogram c. dot plot d. stemplot 2. a class of 35 elementary students took an exam worth 50 points. the standard deviation of the score was 0. what must be true? a. there was an error in the calculation for standard deviation b. everyone scored 50 points c. everyone received the same score d. the mean, median, and mode must all be 0
A personal trainer analyzes the progress of her clients. So she calculates the body mass index (BMI) for each. The BMIs for all of her current clients are given below. Construct a frequency table for these values using 5 classes. 18.1,20.8,22.2,23.1,23.4,23.6,24.4,25.1,25.4,26.4,27.7,30.7
The frequency of repair for the trucks owned by a trucking firm over a 5-year period has been tabulated. The results are shown in the following frequency distribution.
Which one of the following can be taken as frequency while calculating median for the grouped data? a. Preceding frequency of the median class b. Both preceding and succeeding frequencies of the median class c. Succeeding frequency of the median class d. Frequency of the median class
Suppose that a polling company surveyed 600 people about how much time they spend watching television each day. The results of this survey were compiled and used to create this relative frequency histogram. Assume that all percentages shown in the histogram are whole numbers. Each of the bars in this histogram includes only the left endpoint of the class except for the last bar, which also includes the right endpoint. What percentage of respondents said that they watch television at least six hours per day? How many respondents said that they watch television between three and five hours per day?
The height of 100 students in a school was recorded and the following frequency distribution was obtained: Height (in cm) Frequency 140-149 12 150-159 20 160-169 30 170-179 25 180-189 13 What is the mean height of these 100 students?
A graduating class reported starting salaries represented on the following frequency table. Number of students Starting Salary ($) 10 15,000 17 20,000 25 25,000 38 30,000 27 35,000 21 40,000 45,000 For the data in the table above, what is the MEAN?
Using the following set of data, complete the frequency table below using 12 intervals then find the mean, median, and mode. Use a divisor of 10 in finding the first class.
Find a quadratic mean for the :following data Class Frequency Intervals 2.30-2.39 2.40-2.49 2.50-2.59 3. 2.60-2.69 6 2.70-2.79 2.80-2.89

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