Think about the many statistical scores or rankings you receive in school, such as gpa, sat and act scores, test scores, and class ranking. describe the usefulness and limitations of these pieces of data in defining who you are as a person or as a student. in what ways do they give a clear picture? what are they not conveying?

The variable in a relation who’s value depends on the value of the independent variable is called what?

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?