2) Given the table below, find the sample units per strata for a sample of 325 studentsCoursesYear LevelNumber of Students(male)( female )BiologyFirst2046Second1545Third7.43Fourth1139PoliticalFirst1138ScienceSecond1439Third6.36MathematicsFirst1535Second1237Third1936PsychologyFirst2036Second1945Third1147EnvironmentalFirst1235ScienceSecond17Third4.13HumanFirst310ServicesSecond11Find the sample distribution point per a) field of specialization b) per year level cv) per sex.

Given: Courses Year Level Number of students Male Female Biology First 20 46 Second 15…

Answered: 2) Given the table below, find 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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An amusement park keeps track of the percentage of individuals with season passes according to age category. An independent tourist company would like to show that this distribution of age category for individuals buying season passes is different from what the amusement park claims. The tourist company randomly sampled 200 individuals entering the park with a season pass and recorded the number of individuals within each age category. Age Category Child (under 13 years old) Teen (13 to 19 years old) Adult (20 to 55 years old) Senior (56 years old and over) Number of Individuals 56 86 44 14 The tourist company will use the data to test the amusement park’s claim, which is reflected in the following null hypothesis. H0:pchild=0.23H0:pchild=0.23, pteen=0.45pteen=0.45, padult=0.20padult=0.20, and psenior=0.12psenior=0.12. What inference procedure will the company use to investigate whether or not the distribution of age category for individuals with season passes is…
b) Exhibit 2 shows the histogram and Exhibit 3 gives a table of summary statistics for the individual’s age of those included in the data. i) From Exhibit 2, with examples, provide three essential items that could improve the above chart. ii) From Exhibit 3, What is the median value and how do you obtain it. iii) From the answer you provided in part (ii) and based on Exhibit 2 and Exhibit 3, describe the shape of the distribution of this data. Give some intuitive explanation for why this data produces this shape. c) Use Exhibit 3 to interpret in context the central tendency of the smoker’s “Age”. d) i) Write down the formula for the sample standard deviation and using the sample variance from Exhibit 3 calculate the standard deviation value. Show all workings. ii) Other measures of the spread/dispersion of the data are the Range, Interquartile Range and Coefficient of Variation. From Exhibit 3, calculate the Range IQR, and CV Give interpretations for…
3 and 4
Q/ Use the grouped frequency distribution table that yo have already done (in Tutorial No. 1) to calculate the following: (1) Mean (2) Median (3) Mode Notes: 1) Write first your frequency distribution table befor your answer. 2) Use table in your answer.
2. It is known that the student score data in a class is as follows: 9, 8, 6, 7, 7, 8, 5, 3, 6, 7 Describe the data in terms of central tendency!
In a chi-square test of homogeneity, the observed and expected frequencies are R C1 C2 C3 Total R1 20 16 24 60 R2 15 24 26 65 Total 35 40 50 125 C2 16.8 R C3 Total R1 19.2 24.0 60.0 R2 18.2 20.8 26.0 65.0 Total 35.0 40.0 50.0 125.0 The observed test statistic is about O 20. O 3.10. O 170. O 4.25.
A random sample of 25 Berkeley College students was asked, “How many hours per week typically do you work outside the home?” Their responses were as follows: {0, 0, 15, 20, 30, 40, 30, 20, 35, 35, 28, 15, 20, 25, 25, 30, 5, 10, 30, 24, 28, 30, 35, 15, 15} a. Find the mean, the median and the mode of hours worked outside the home for the sample data. Show all your work to justify your answer. b. Use the above data to complete the following table summarizing the number of hours worked outside the home. Express the relative frequency as a percent. Class Tally Frequency Relative Frequency 0-10 11-20 21-30 31-40 Total c. Find the five-number summary of the hours worked outside of the home by the 25 Berkeley College students.
47. Consider the following distribution: : 0-10 10-20 20-30 30-40 40-50 12 18 20 25 23 Compute mean, median and mode.
6. If a student has taken ten exams in five different courses. The scores on the ten exams were 100, 78, 60, 96, 71, 81, 71, 94, 51, 73 then find all measures of central tendency and dispersion for these data
Consider the following random sample of data: 9, -9, 0, 5, 10, 7, 1, -6, -1, 82 a) What is the mean of the sample data? Round your response to at least 2 decimal places. Number b) If the outlier is removed, what is the mean of the remaining sample data? Round your response to at least 2 decimal places. Number
12) The Human Resource department of Lala firm has summarized the number of service years of their 120 employees as below. Number of Service years employees 16 1-4 5-8 20 9-12 28 13-16 24 17-20 16 21-24 11 25-28 a) Calculate the mean and variance for the service years. b) Draw an ogive to represent the data above. Hence, estimate the median value for the above distribution.
2. A test has a maximum possible score of 200. The results achieved by a class of 20 students are listed: 168, 152, 112, 88, 95, 123, 177, 166, 145, 104, 112, 156, 110, 141, 177, 166, 134, 190, 111, and 120. a) Determine the mean, median, and mode. b) What are the quartiles for this data set? c) Jacquelin's mark is in the 40th percentile for this group. Explain what the percentile means. What is Jacquelin's mark? (4

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