Consider this population data set 4,6,7,11,12,18,26,23,14,31,22,and 12. The values 11,31,22,and12 constitute a random sample drawn from the data set The sample mean is more than the population mean by​

Measure of angles 31 (x+4) (3x+9) me

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.