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About This Drill
SAT Math: Statistics and Probability (Drill 1) is a Math practice drill covering Statistics and Probability. It contains 5 original questions created by Brian Stewart, a Barron's test prep author with over 20 years of tutoring experience.
SAT statistics and probability questions cover calculating mean, median, and mode, interpreting range and standard deviation as measures of spread, computing theoretical and experimental probability, and reading data from histograms and two-way tables.
Questions in This Drill
- The data set {4, 7, 9, 10, 15} represents the number of books read by five students last month. What is the mean of this data set?
- A teacher recorded the test scores of nine students: 72, 75, 78, 80, 82, 84, 85, 88, 90. If a tenth student scores 40, which measure of central tendency will be most affected?
- A bag contains 8 red marbles, 5 blue marbles, and 7 green marbles. If one marble is selected at random, what is the probability that it is blue?
- Data set A: {50, 50, 50, 50}. Data set B: {20, 40, 60, 80}. Both sets have a mean of 50. Which statement is true?
- A school principal wants to estimate the average number of hours all students spend studying per week. The principal surveys only students in honors classes. Which best describes the limitation?