Explain why the expected value of an F ratio is 1.00 when the null hypothesis is true if there is no treatment effect the numerator.

These tools give presenters more freedom to move about the room and interact with their audience. laptop computer laser pointer lcd projector remote control

Write a function 'music_func' that takes 3 parameters -- music type, music group, vocalist -- and prints them all out as shown in the example below. in case no input is provided by the user, the function should assume these values for the parameters: "classic rock", "the beatles", "freddie mercury". for example: input: alternative rock,pearl jam,chris cornell output: the best kind of music is alternative rock the best music group is pearl jam the best lead vocalist is chris cornell note: the print statements will go inside the for example: print("the best kind of music is"

Eye injuries usually occur as a result of all of the following things, except: a) proper machine operation b) battery explosion c) falling or flying debris d) electric welding arc