Ebmadm Individual Assignment NAME: MATRIC: cuesnea 1 is MARKS} State whether each of the following statement is TRUE or FALSE. a) Eye colour is an example of a quantitative variable. b) A population Is typically a very large collection of individuals or objects about which the information is desired. c} A quantitative variable that can assume a countable number of values is called a discrete variable. d) If the mean. mode. and median for a distribution are 36. 25. and 23 respectively. the distribution is most likely skewed to the right e) Qualitative date can be presented in a histogram. (5 marks) cuesnou 2 is messy State an appropriate level of measurement (nominal. ordinal. interval. or ratio) for each of the following variables. a} Travelling distances from UUMKL building to KL Sentral. b} Disaster classication based on type such as biological. meteorological. and hydrological. c) Average scores of Eiementary Statistics test for all groups. d} Temperature (In degree Celsius] of seven countries in Europe. a} Grades (A. B. C. atelier live different courses in semester A142. {5 marks) Ebrnslloa Individual Assignment ouss'nou 4 (3 ms) l. Which of the following Is the properly rounded mean tor the given data? 7.8.13, 9.10.11 A) 10 B) 9.7 C) 9.67 D) 9 It. What is the mean of the following data set? 4,8,11,12,13 A) 7.0 B) 9.6 C) 11.0 D} 14.4 Ill. The number of police ofcers in selected city districts is listed below. Find the mode. 24, 26. 24. 30. 23. 28, 19. 31, 24, 26. 19 A) 23 B) 24 C) 26 D) 28 IV. A characteristic or measure obtained by using all the data values for a specic population is called a . A) variable 8) mode C) statistic D) parameter V. A distribution in which approximately 68% of the data values fail within one standard deviation of the mean behaves according to A) the empirical rule. B) a symmetrical distribution. C) a boxpiot. D) differential statistics. Ebm3404 Individual Assignment VI. The costs per load (in cents) of 27 dish-washing detergents tested by a consumer organization are shown here. Find the standard deviation of the sample. Class limits Frequency 20-28 4 29-37 38-46 47-55 10 A) 10.3 B ) 10.1 10.7 D) 6.4 VII. Given that the mean of a set of data is 25 and the standard deviation is 3, what is the coefficient of variation? A) 0.12 B) 12% C) 8.33 833% VIII. Indicate which student has the higher z score. Art Major X = 46 X =50.5 s =5.2 Theater Major X =70 X =75.1 s =7.3 A) The art major has a higher score than the theater major. The theater major has a higher score than the art major. Both students have the same score. D) Neither student received a positive score; therefore, the higher score cannot be determined.EhdeID-a individual Assignment QUESTION 3 (5 MARKS) A doctor conducted a study about H1N'l disease in a certain state. Using the database of the general hospital. she selected a random sample of 50 patients who have had u. fever. and cough. It was found that SEVEN ('3') patients were tested positive for mm. a) State the population. {1 mark) b) State the sample. {1 mark) c) identify the variable of interest. {1 mark) d) Determine the value at statistic from the study. {1 mark) a) Are the data considered as primary or secondary? {1 mark) Ebm3404 Individual Assignment ii. Find the median for number of siblings. Interpret the value. (3 marks) iii. Find the mean for monthly parents' salary. (3 marks) b) Table 2 contains data from a research on daily study time for 40 students from School of Quantitative Sciences. Table 2 Daily study time for 40 students Time spent on studying (in minutes) Number of students 0 - 14 15 - 29 30 - 44 45 - 59 18 60 - 74 A 75 - 89 A i. Find mean. (3 marks)[5mele Individual Assignment ii. Find the mode. Interpret the value. (4 marks) m. Find median and interpret the value. (4 marks) Ebm3404 Individual Assignment iv. Construct an ogive 'less than' from the data. (4 marks) v. Based on part (ii), how many students spent at least 52 minutes on studying everyday? (2 marks)Ebm3404 Individual Assignment QUESTION 5 (27 MARKS) a) A survey was conducted on 15 randomly selected students from SQQS1013 course to study their campus life. Data were collected based on gender, age, home town, monthly parents' salary, and number of siblings. The data are recorded in Table 1. Table 1 Particulars for the 15 students Salary No. of Student Gender Age Home town (in RM) Siblings F 23 Kedah 3000 5 F 22 K. Lumpur 7000 AWN M 24 Kelantan 2500 M 25 Perak 4000 7 5 F 21 Johor 450 5 F 26 Kelantan 6000 F 24 Kedah 3500 1 M 22 Pahang 5000 F 24 Terengganu 1000 O W W A F 24 Sarawak 4200 11 M 23 Sabah 4500 12 M 22 Melaka 260 6 13 22 N. Sembilan 5100 14 F 23 Perlis 4000 8 3 7 15 22 P. Pinang 5100 10 i. Construct a pie chart for student's gender. (4 marks)