If the sum of squares for a sample containing 101

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If the sum of squares for a sample containing 101 items equals 500, what is the standard deviation?2.244.955.002.22RATIONALEThe standard deviation is found by dividing the sum of squares by (n-1) and taking the square root so here it would be: CONCEPTCalculating Standard Deviation and Variance
12Given the following graph of a skewed distribution, which answer choice best represents how the mean, median, and mode are related?
CONCEPTRepresenting How Skewed Data is Distributed13Which statement explains what the slope tells you about the variables in this graph?
CONCEPTRepresenting How Two Data Sets are Related14A teacher wanted to understand how his students' grades were distributed on the final exam. The grades were: 876199727689938291What is the interquartile range of the grades?

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