Hi, is this Two sample test ?

And the Assumptions are normally distributed?

What is the Hypothesis test

H?

A?

T?

D?

C?

Question 1 (8 marks) Question 1 continued A Sydney motorist has the choice of buying petrol each week in Chatswood or Kingswood. The motorist wants to know whether the price of unleaded petrol is significantly different at The table below shows the output for selected Excel code. his preferred petrol station in each of these two suburbs. The motorist uses the NSW Excel Command Output Excel Command Output FuelCheck system to find the price for Unleaded 91 petrol at his preferred petrol station on T.DIST.2T(1,68,12) 0.1 188 T.DIST.2T(1,68,11) 0.1211 a random sample of 12 days in July 2018. The data collected are summarised below. T.DIST.2T(5.82,22) 0.000 T.DIST.2T(5.82,11) 0.0001 T.DIST.2T(0,485,11) 0.6372 T.DIST.2T(0.485,12) 0.6364 Price of Unleaded 91 Petrol in cents per litre NORM. DIST(1.68,0,1, TRUE) 0.9535 NORM. DIST(0.485,0,1,TRUE 0.6862 Price in Price in Difference = Use the relevant parts of the information above and on the previous page to perform an Date Chatswood Kingswood Price in Chatswood - Price in Kingswood appropriate hypothesis test to address the following research question. 3 July 143.9 139.9 4.0 5 July 142. 137.6 4,8 11 July Research Question: Was there a difference in the price of Unleaded 91 petrol at the 134.9 131.9 3.0 14 July 159. 159.9 -0.5 motorist's preferred petrol stations in Chatswood and Kingswood during July 2018? 16 July 158.9 157.4 1.5 17 July 157.9 154.9 3.0 21 July 148.9 144.9 4.0 22 July 145.1 144.5 0.6 24 July 144.9 140.9 4.0 27 July 140.9 138.5 2.4 30 July 137. 131.7 5.7 31 July 133.9 130.9 3.0 Mean 145.708 142.750 2.958 Standard Deviation 8.964 10.00 1.761 Cha towood Kingwood