Why we seek signifi cance Asked why statistical signifi cance appears so often in research reports, a student says, Because saying that results are signifi cant tells us that they cannot easily be explained by chance variation alone. Do you think that this statement is essentially correct? Explain your answer
CS 1110 Van Loan and Lee Spring 2016 April 5, 2016 Dictionaries o an item has a key and a value values are assigned to keys o set up use a colon to separate a key from its value separate items with a comma enclose the whole thing with {} o dictname.keys() list of keys o dictname.values() list of the values o delete a dictionary item del dictname[‘keyname’] o checking if a dict has a particular key Boolean ‘keyname’ in dictname o extracting a value keys are like subscripts va