2. Using the grouped data below, answer the following correctly. (-Scores of 50 students in a 75-item Mathematics examScoresLBFcf (<)XfxXX-XX-22-291030-371638-451046-53554-61362-69570-77150a. Range (b. Interquartile deviation, Midhinge and Quartile deviationc. Mean deviation'Totalfxx-

Solution-: We complete the given table and find the following (a) Range (b) Interquartile deviation,…

Answered: 2. Using the grouped data below, answer…

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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Determine the number of standard deviations from the mean (z-score). In the United States, the distribution of a male's height has a mean of 69 inches with a standard deviation of 3 inches. How many standard deviations from the mean is John Doe, who is 67 inches tall? Question 15 options: 0.67 standard deviations below the mean 0.33 standard deviations below the mean 2 standard deviations below the mean 1 standard deviation below the mean
The table below summarises data collected from male and female children about the time they spent on reading per week (X, in hours/week). Male Female All Sample size 20 22 ? 42 Sum values ? ? (i) of X Sum of X² values 8,648 17,352 (ii) 26000 Mean 19.9 27 ? 46.9 Standard Deviation 6.19 7.91 ? 14.1
A team of ten (10) construction workers who are working on a project are classified according to the skill levels, Classes A to D. The table below shows the number of workers in each of the four (4) classes and their respective hourly pay-rate. Pay-rate (Rands/hour) Number of workers Class A 80 Class B 60 Class C 55 Class D 50 4. Calculate the mean hourly pay-rate for the 10 workers. A. R24.50/hour B. R57/hour C. R57.50/hour D. R61.75/hour
Why does the graph on the right have a higher standard deviation? 3 4 5 6 7 1 2 3 4 5 6 7 1 2 What is meant by the term "variability"? You are working at Kingsville Hearing Aid Clinic, documenting the number of visits per year for each client. The mean is 14.3 visits per year and the standard deviation is 6.2. • What percent of people have fewer than 10 visits per year? • How many visits per year are needed to enter the top 25%? • A client named Ezekiel visited the clinic 9 times. What percentile is he? • Your mother visited the clinic last year. Her number of visits was 3 standard deviations above the mean. How many times did she visit the clinic?
The grades for 20 students on the most recent exam are given in the data table below. Round your answers to 2 decimal places as needed 46 71 41 94 50 47 85 86 98 72 82 40 47 80 44 89 61 66 81 96 Mean = Median = Standard deviation = Minimum score = Highest score =
(c) 3. A standard die is rolled 36 times. The results are shown in the following table. 4 5 6 3 Score 1 2 Frequency 3 (a) Write down the standard deviation. 1.63 Write down the median score. 4.5 Find the interquartile range. 5-3-2 (b) 5 4 6 10 52. 8
A set of data items is normally distributed with a mean of 108 and a standard deviation of 27. Convert each of the following data items to a z- score. Round your answer to the nearest hundredth. (a) 226 Z = (b) 85 Z =
I need the answer as soon as possible
Q.: For the data given in the following frequency distribution table, compute if the nearest error in the data is 1: (a) mean deviation (b) Median (c) Mode (d) Range (e) Variance (f) Standard deviation Classes 150-1 168 - 186- 195 204-213- - 58 Frequency 5 20 20 15 3 1 159-1 67 15 177- 21
Please solve the following question
2. Which of the following is also equal to median score?* 75th percentile 5th decile 3rd decile 1st quartile
• Compute for the range, the mean deviation, and the standard of each set of grouped data. Scores of Contestants in a Math Competition Scores Frequency 46 - 50 16 41 - 45 21 36 – 40 15 31 - 35 10 26 – 30 17 21 - 25 16 - 20 1

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