Philadelphia University Student Name: Faculty of Engineering Student Number: Dept. of Electrical Engineering First Exam, First Semester: 2016/2017 Course Title: Fundamentals of Engineering Date: 24/11/2017 Course No: (610111) Time Allowed: 50 minutes Lecturer: Dr. Firas Obeidat No. of Pages: 1 Question 1: (5 Marks) Objectives: This question is about Significant figures. Perform the following calculations. Report your answer to the correct number of significant figures. 150.5124 + 10.01 160.35 + 20.0 2) 120.305 × 3.06 10.32 ×20.0 – – ÷ ÷ + 3 x 0.080 2.045 4) (504 + 63.08) (18.5 0.005) Question 2: (5 Marks) Objectives: This question is about linear interpolation and linear regression. The relationship between and is listed in the table: y x x y 0 0 Estimate at using linear interpolation? y x=5 1.5 0.11 If the relation between and can be given by x y 3.0 0.26 4. 5 0.35 Find c using least squares regression? 6.0 0.50 7.5 0.61 9.0 0.68 10.5 0.81 12 0.92 13.5 1.02 Question 3: (10 Marks) Objectives: This question is about Statistics. For the set (21 23 26 27 28 30 30 31 32 35 37 40). Determine: Range (2) Mode (3) median (4) Mean (5) Mean absolute value (6) Standard deviation (7) Variance (8) If the set is classified into four classes, (21-25), (26-30), (31-35) and (36-40). Draw the histogram. (9) Find the probability less than 27 (10) Find the probability less than 35 Good Luck Answers Question 1: 150.5124 + 10.01 160.35 + 20.0=20.1724=20.2 – 120.305 × 3.06 10.32 ×20.0=368-206=162 –
Philadelphia University Student Name: Faculty of Engineering Student Number: Dept. of Electrical Engineering First Exam, First Semester: 2016/2017 Course Title: Fundamentals of Engineering Date: 24/11/2017 Course No: (610111) Time Allowed: 50 minutes Lecturer: Dr. Firas Obeidat No. of Pages: 1 Question 1: (5 Marks) Objectives: This question is about Significant figures. Perform the following calculations. Report your answer to the correct number of significant figures. 150.5124 + 10.01 – 160.35 + 20.0 2) 120.305 × 3.06 – 10.32 ×20.0 3 x 0.080 ÷ 2.045 4) (504 + 63.08) ÷ (18.5 + 0.005) Question 2: (5 Marks) Objectives: This question is about linear interpolation and linear regression. x y 0 0 1.5 0.11 3.0 0.26 4. 5 0.35 6.0 0.50 7.5 0.61 9.0 0.68 10.5 0.81 12 0.92 13.5 1.02 The relationship between y and x is listed in the table: Estimate y at x=5 using linear interpolation? If the relation between x and y can be given by Find c using least squares regression? Question 3: (10 Marks) Objectives: This question is about Statistics. For the set (21 23 26 27 28 30 30 31 32 35 37 40). Determine: Range (2) Mode (3) median (4) Mean (5) Mean absolute value (6) Standard deviation (7) Variance (8) If the set is classified into four classes, (21-25), (26-30), (31-35) and (36-40). Draw the histogram. (9) Find the probability less than 27 (10) Find the probability less than 35 Good Luck Answers Question 1: 150.5124 + 10.01 – 160.35 + 20.0=20.1724=20.2 120.305 × 3.06 – 10.32 ×20.0=368-206=162
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