The figure below shows relative frequencyhistogram for 50 employees working in asmall construction company classifiedaccording to their years of experience.While x-axis represents the class midpointsof experience years, y-axis representsrelative frequency for the employees. Thevalue of variance for the years of:experience is betweenRelative Frequency for Employees0.450.40.350.30.250.20.150.10.057.5Relative Frequency Chart13.519.5Class Midpoints of Experience Years25.532-34 O40-42 O12-14 O20-22 O52-54 O

Frequency is the count or number of times an variable happen. Relative frequency is calculated by…

Answered: The figure below shows relative…

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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I. Background The Food and Drug Administration (FDA) tries to find out whether there is a relation between the number of years people smoked and the percentage of lung damage. FDA asks you for your help to find it out. You interviewed twenty people who have smoked and obtained the following data. II. Technical report: a) Draw a scatter plot. b) Based on the scatter plot, explain whether the number of years and the percentage of lung damage are correlated. If they are correlated, discuss the strength of correlation, and the direction (positive or negative). c) Find the correlation coefficient r. Explain what r implies. d) Choose your own significance level a (1 suggests 0.1, 0.05 or 0.01). State and test the hypothesis. Explain what your findings mean. e) Do your observations in part (b) agree to the results from part (c) and (d)? Explain f) Find the regression line equation. Explain what the line implies. g) Draw the regression line on your scatter plot. h) A man has…
Find the 5 number summary for the data shown 10 17 40 41 46 52 53 59 65 98 5 number summary: IQR: }¯ The 1.5 x IQR rule states that values between and are likely not outliers.
The following data are the ages (in years) of 17 economics teachers in a school district. 51, 46, 47, 48, 36, 27, 55, 34, 58, 50, 23, 51, 35, 37, 38, 49, 56 Send data to calculator Using the tool provided, construct a box-and-whisker plot for the data. ? H+HHH +++++++ +H +++++++D 20 25 30 35 40 45 50 55 60 Age of economics teacher (in years)
Lisa took a survey of her classmates' favorite sport and recorded their genders. The results are in the table below: Preferred Sport Football Baseball Basketball Tennis Other Total Girls 2 3 5 4 3 Boys 8 2 6 4 3 Total What is the marginal relative frequency of survey participants who prefer tennis?
A pediatrician wants to determine the relation that may exist between a child's height and head circumference. She randomly selects 8 children from her practice, measures their height and head circumference and obtains the data shown below. Height Head Circumference 27 17.5 25 17 26.5 17.2 25.5 17 27.75 17.4 26.25 17.4 26 17.1 27.25 17.4 data table 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482 18 0.468 19 0.456 20 0.444 21 0.433 22 0.423 23 0.413 24 0.404 25 0.396 26 0.388 27 0.381 28 0.374…
The graph below is an ogive of scores on a math test. The vertical axis in an ogive is the cumulative relative frequency and can also be interpreted as a percentile. Use the graph to approximate the percentile rank of an individual whose test score is 70. O A. 53 О В. 80 Percentile Ranks of Math Test Scores ОС. 75 O D. 58 100- 90- 80- 70- 60- 50- 40- 30- 20- 10- O 10 20 30 40 50 60 70 80 90 100 Click to select your answer. f6 17 fg ho esc
The data table shows the ages in years of 10 men with systolic blood pressure. The Age,x: 18, 26, 39, 46, 48, 64, 68, 31, 58, 22. and systolic blood pressure, y: 111, 123, 145, 130, 201, 183, 198, 131, 177, 119. The sample correlation coefficient r is 0.881. Remove the data entry for the man who is 48 years old and has a systolic blood pressure of 201 millimeters of mercury from the data set and find the new correlation coefficient.
The data table shows the ages in years of 10 men with systolic blood pressure. The Age,x: 18, 24, 39, 45, 49, 63, 71, 29, 57, 22 and systolic blood pressure, y: 109, 121, 142, 133, 199, 186, 199, 132, 177, 117. The sample correlation coefficient r is 0.913. Remove the data entry for the man who is 49 years old and has a systolic blood pressure of 199 millimeters of mercury from the data set and find the new correlation coefficient.
PLEASE HELP ME A.S.A.P. FOR AN UPVOTE AND POSITIVE RATINGS
Correct Construct a histogram that represents the following data regarding the selling prices of houšes sold in 2006 for a particular neighborhood. Prices of Houses Class Frequency 99630-119629 119630-139629 4 139630-159629 159630-179629 3. 179630-199629 8. Step 2 of 5: Find the upper class. boundary for the third class.
Mean in case of Missing Frequency . Calculate the number of students against the class 30-40 of the following data where X = 28 Marks: 0-10 10-20 20-30 30-40 40-50 No. of students: 50-60 12 18 27 ? 17
The number of social interactions of ten minutes or longer over a one-week period for a group of college students is given in the following frequency table. (These interactions excluded family and work situations.) Find the mean, median, mode, and midrange for these data. Social interactions in a week: x 3 9 15 17 23 26 35 38 43 48 Number of collegestudents: f 15 18 18 18 13 14 3 2 2 2 The mean is approximately enter your response here. (Round to the nearest tenth as needed.) The median is enter your response here. (Round to the nearest tenth as needed.) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The mode of the data is B. Mode: The midrange is

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