help in this one

1. For a trip to Barcelona in summer 2013, a random sample of prices (in } per night for a double room was obtained: 239 237 245 310 218 175 330 196 178 245 255 190 330 124 162 150 386 145 175 210 340 276 139 180 177 222 253 171 164 201 Suppose we wish to carry out a hypothesis test to determine whether or not the true population mean is 200 per night. The data is contained in the SPSS le Baroelona. la} Explain why the conditions for carrying out statistical inference are satised lb] Write down the null and alternative hypotheses for an appropriate statistical test to answer the above question. (c} Find the mean and standard deviation of the sample. (d) Use SPSS to test your hypotheses, at 5% significance, and state your conclusion. (e) Use SPSS to nd a 95% confidence interval for the mean price. Write down an interpretation of the meaning of this interval and how it relates to the result of your hypothesis test