Reginald has scores of {87, 79, 95, 91} on the first four exams in his Spanish class. What is the minimum score he must get on the fifth exam to get an A (90 or higher) for his final grade?

Reginald has scores of {87, 79, 95, 91} on the first four exams in his Spanish class. What is the minimum score he must get on the fifth exam to get an A (90 or higher) for his final grade?

If the average of numbers is and the average of numbers is , what is the average of all the numbers?

If the average of numbers is and the average of numbers is , what is the average of all the numbers?

What is the range of the following data set?

What is the range of the following data set?

Determine the mode of the set.

Determine the mode of the set.

What is the mean of the following numbers?

88,99,31,47,68,27

What is the mean of the following numbers?

88,99,31,47,68,27