Which statement is true assuming that a represents the range, b represents the mean, c represents the median, and d represents the mode.

Which sequence is correct for the number set: 51, 8, 51, 17, 102, 31, 20

Sample Set A has 25 data points with an arithmetic mean of 50.

Sample Set B has 75 data points with an arithmetic mean of 100.

Quantity A: The arithmetic mean of the 100 data points encompassing A and B

Quantity B: 80

A plane flies from San Francisco to New York City at 600 miles per hour and returns along the same route at 400 miles per hour. What is the average flying speed for the entire route (in miles per hour)?

The average of 10 test scores is 120 and the average of 30 additional scores is 100.

Quantity A: The weighted average of these scores

Quantity B: 105

Which statement is true assuming that a represents the range, b represents the mean, c represents the median, and d represents the mode.

which sequence is correct for the number set: 8, 3, 11, 12, 3, 4, 6, 15, 1 ?

Column A: The median of the set

Column B: The mean of the set

The average of 10 test scores is 120 and the average of 30 additional scores is 100.

Quantity A: The weighted average of these scores

Quantity B: 105

Sample Set A has 25 data points with an arithmetic mean of 50.

Sample Set B has 75 data points with an arithmetic mean of 100.

Quantity A: The arithmetic mean of the 100 data points encompassing A and B

Quantity B: 80

Column A: The median of the set

Column B: The mean of the set

A plane flies from San Francisco to New York City at 600 miles per hour and returns along the same route at 400 miles per hour. What is the average flying speed for the entire route (in miles per hour)?