SAT Math › Statistics
A police officer walked into a room full of suspects and turn out their pockets. The chart below shows the number of coins each man had.
The police claim the man with the amount of money closest to the arithmetic mean of the group is guilty. Who is it?
If the average of 5k and 3l is equal to 50% of 6l, what is the value of k/l ?
If Billy has an average of over 5 tests, what is the lowest score Billy can get over the next 3 tests in order to raise his average up to
?
What is the range of the following data set?
A police officer walked into a room full of suspects and turn out their pockets. The chart below shows the number of coins each man had.
The police claim the man with the amount of money closest to the arithmetic mean of the group is guilty. Who is it?
If Billy has an average of over 5 tests, what is the lowest score Billy can get over the next 3 tests in order to raise his average up to
?
What is the range of the following data set?
What is the range of the following data set?
This semester, Mary had five quizzes that were each worth 10% of her grade. She scored 89, 74, 84, 92, and 90 on those five quizzes. Mary also scored a 92 on her midterm that was worth 25% of her grade, and a 91 on her final that was also worth 25% of her class grade. What was Mary's final grade in the class?
If the average of 5k and 3l is equal to 50% of 6l, what is the value of k/l ?