Compute the sample standard deviation of: 8, 6, 8 Round all intermediate computations to four decimal places, if necessary. Round final answer to one decimal place. Compute the population standard deviation of: 5, 8, 2, 4 Round all intermediate computations to four decimal places, if necessary. Round final answer to one decimal place. Mina scored 88 points on her exam. The mean exam score for the class was 80 points with a standard deviation of 4 points. Determine Mina's exam score's z-score. Round answers to two decimal places. If a data value's z-score is negative, the data value is [Select] Select below above equal to the mean. The number of students who visit the Tutoring Center each day is approximately bell shaped, with a mean of 140 students and a standard deviation of 10. Approximately 95% of the distribution falls between students per day. Round answers to the nearest integer. Enter answers in increasing order. and