solve this question

1 1 1) What can be said about a sample of observations with zero standard deviation? :1 2) Compare the following measures of dispersion: standard deviation, variance, and range. What are the benefits and disadvantages of each measure? FWSh att nut of 3) Explain each of the following types of cause and effect Illustrate with an example. a) commoncause factor b) accidental relationship c) presumed relationship cl) reverse cause and effect relationship Maximum file size: 20MB, maximum number of files:'|