In a small summer school section of statistics with only 10
students, the scores of the 10 students in the class on a mid-term
exam had a variance of 0. Which of the following four statements
about the 10 scores can we be certain is/are FALSE?
S1: All students scored 0 on the quiz
S2: All students had the same score on the quiz
S3: The standard deviation of the test scores cannot be
determined without more information
S4: We can use the empirical rules to estimate the number of
students who scored between 5 and 95
Only S2 is false
Only S1 is false
Only S4 is false
More than one of S1, S2, S3 and S4 are false
Only S3 is false
In a small summer school section of statistics with only 10 students, the scores of the 10 students in the class on a mi
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In a small summer school section of statistics with only 10 students, the scores of the 10 students in the class on a mi
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