In a small summer school section of statistics with only 10 students, the scores of the 10 students in the class on a mi
Posted: Wed May 11, 2022 8:28 am
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
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