Orth CUL jd ent. of the have Ques Numbe ENGG201 Question 2 [25 marks] An engineer measured the flow rate of a river every day for a month (31 days). The

following values were collected: 3598 2617 2234 2587 2473 1867 2106 1978 2347 All measurements were recorded in m's-¹. (a) Estimate the 95 % confidence interval for the original data set. You do not need to show full working for the standard deviation calculation. 2004 2032 School of Engineering 45367 Inlet Pipe 2129 2871 2461 2710 2587 P₁ A₂ D₂ (c) Identify what type of flowmeter was used (shown below in Fig Q2). Pressure Transducer [8 marks] (b) Use Chauvenet's criterion to identify whether there are any outliers in the data which should be rejected. [12 marks] Throat Entrance Cone 2573 1879 2764 2018 2412 Pr A Da Pressure- sensing lines Figure Q2 HEI Diffuser 1679 2657 1874 2310 2714 Examiner: Dr A Haworth (d) What are the advantages of using this flowmeter over others? Flow Direction 2314 1834 2716 2016 2407 [1 mark] [4 marks]