Change fraction 7/8 to decimals

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Icould really use some with this question.