26. Using 1,000 observations, the following ogive summarizes Variable X.10.80.6RelativeFrequency 0.40.2012a. Approximate the proportion of observations that are less than 16.b. Approximate the number of observations that are greater than 20.1620Variable X2428

Answered: 6. Using 1,000 observations, the…

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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10. Refer back to the histogram from question #4.(Attatched)a. Compute the mean number of shipping daysc. Write the 5-number summary for this data.d. Create box plot.
Determine the value of the interquartile range for the following data set: 45.5, 67.1, 20.8, 74.2, 18.0, 38.7, 5.8 State the interquartile range value rounded to the nearest tenth.
Given the following box plot: 10 12 Determine the following: a. Min = b. Q1 = c. Median = d. Q3 = е. Мах - f. IQR = Q3 - Q1 = g. Range h. Which quarter has the smallest spread of data? 1st 2nd | 3rd 4th i. Which quarter has largest spread of data? 1st 2nd 3rd | 4th j. The percentage of data between the values 2 and 12. 0% |25% O 50% O75% O 100% k. The percentage of data between the values 12 and 13. 0% | 25% 50% 75% 100% O O O 0 O O 0 0
a. Construct a grouped frequency distribution, with percent frequencies. Copy the table to Microsoft Word and Describe the distribution. o. Suppose the lengths of time taken to find a full-time job by economics majors have a coefficient of variation of 24%. Is the variability in times for CS majors BIGGER/SMALLER/SAME? If different, by how much? c. Would a column chart be a more appropriate representation of unemployment duration than a histogram? Provide one reason. Time 10 3 12 21 15 8 4 2 16 8 8 14 33 7 24 11 42 15
This data was collected from the members of our class. I have tried to remove anything that would identify an individual. 1. What is the scale of each variable? 2. Construct a frequency table and chart showing the distribution across gender in this class. 3. Construct a cross tabulation with Gender in one direction and Height in the other direction. Group the height category into 5 groups. 4. Is there a difference in the age distribution across gender? 5. Give a summary of our class based on this data about our class. Gender Height Year Born Male 76 1994 Male 72 1983 Female 65 1997 Male 68 1966 Female 67 1997 Male 70 1996 Male 71 1996 Male 73 1996 Male 72 1995 Male 71 1998 Male 73 1993 Female 66 1980 Female 62 1998 Male 76 1984 Female 70 1985 Female 62 1992 Female 62 1992 Male 73 1996 Female 68 1987 Male 60 1971 Female 60 1971 Male 60 1971 Male 74 1970 Male 77 1998 Male 77 1998 Male 68 1990 Female 64 1996 Male 80 1997 Male…
L. Construct the scatter plot of the given table using MS Excel or manually draw a scatter plot. Identify the type of association. Attached the paper the contains the scatter plot in this activity sheet. 1. The table below shows the number of hours of study of 6 students and their corresponding grades Hours of Study (X) Grade (V) 6 82 Student A B C D E F 2 1 5 2 3 57 88 68 75
You want to conduct a study on the proportion of Penn State students who miss class when it is raining. Suppose here is the data you collect for students who live on-campus versus students who live off-campus: Never Miss Sometimes Miss Always Miss On-Campus 20 12 13 Off-Campus 45 14 22 a. For on-campus students (only), estimate the true difference in proportions for those who never miss class versus those who always miss class, when it is raining. Place a bound on the error of estimation. b. Estimate the true difference between the proportions of on-campus students who always miss class versus the proportion of off-campus students who always miss class, when it is raining. Place a bound on the error of estimation.
Determine which of the four levels of measurement ( norminal, ordinal, interval, ratio) is most appropriate for the data below. Years in which U.S. presidents were inaugurated
Given the following data: 7, 11, 19, 8, 9, 20, 17, and 16. Identify the range 7. 8.5 O 13.5 O 9.5 13
A group of construction technicians were asked to find the crushing strengths (unit: N/mm2) of 20 concrete cubes. The observations were recorded below: 33 37 22 25 39 42 40 26 27 28 34 33 33 32 32 31 30 30 29 35 a. Form a frequency distribution table having 7 dasses for the data above. b. Find the mean for the grouped data. c. Draw histogram and ogive to represent the data. d. Estimate the mode and median for the above statistical data and interpret it.

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6. Using 1,000 observations, the following ogive summarizes Variable X. 0.8 0.6 Relative Frequency 0.4 0.2 0 12 a. Approximate the proportion of observations that are less than 16. b. Approximate the number of observations that are greater than 20. 16 20 Variable X 24 28