Aresearcher obtains t = 2.10 for a repeated-measures study using a sample of n = 16 participants. based on this t value, what is the correct decision for a two-tailed test?

You love to play soccer! you make a shot at the net 8 times during a game! of those 8 attempts, you score twice. what percent of the time did you score?

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.