1) For this question, use the data file "220DATANEW", focusing on the data in the column lagalsongs, responses to the question "How many songs do you have in your digital library that were downloaded legally ? First, describe the data pattern (as usual, based on your graphs and statistics), and let's agree that all the values here are credible, and hence no editing is needed. Then address the following "hypothesis test question: A friend of yours has been having a "generation gap" conversation with her Dad rencouraging him to 'pitch in a monetary contribution to improve her digital music holdings), who has been chiding her for having nearly 250 songs on her lead. She retorts that he's way out of touch, and that the average number of songs that Math 1080 students have would be at least twice the number she has. In hypothesis testing notation, her claim : H500 How confident does this data allow her to be in claiming that the mean number of Tegal songs for all Math 1080 students is greater than 500 ? the intent that you would print the "Summary Statistics and do the rest by hand calculation, but you can certainly use Statcrunch to perform the hypothesis test if you prefes although haven't-illustrated how StatCrunch does that in any of the lectures) Options One sample Z hypothesis test: u : Mean of variable Ho : P = 0 HA 70 Standard deviation not specified. 14 Hypothesis test results: Variable n Sample Mean Std. Err. Z-Stat P-value legalsongs 203 625.54187 74.003576 8.4528601