Question 1
Imagine a street on which there exist two sub shops: Big Mike’s and Little John’s. Each Saturday, Big Mike’s draws an average of 500 people with a standard deviation of 20. Also on Saturdays, Little John’s draws an average of only 400 people with a standard deviation of 50. If both distributions are normal, which shop is more likely to attract more than 600 people on a given Saturday?
2. Question 2 Which of the following is an example of continuous data? 1 / 1 point  Movie budget Box office returns Leading actors in movie Movie run time  Correct Movie…
8. Question 8 Which field did you use to sort data before the merge with the Item_Master_Dim table? 1 point  ItemMasterId  ItemMasterKey  ItemId  ItemMasterDim
4. Question 4 The following table gives the quarterly Net Income details of RK & AD Corp. RK & AD Corp belongs to energy sector. All values are in million…
1. Question 1 Give an estimate of the correlation coefficient for the data in the graph.  1 point  -0.2  -0.75  0.8  -1
3. Question 3 Why is hashing needed for public blockchains such as bitcoin?  1 / 1 point  It is energy-intensive to compute and therefore deters hacking attempts  It’s collision proof…
Calculate sales lift, adjusting for any differences between the test and control group.
