Scores on ms. bond's test have a mean of 70 and a standard deviation of 11. david has a score of 52 on ms. bond's test. scores on ms. nash's test have a mean of 64 and a standard deviation of 6. steven has a score of 52 on ms. nash's test. which student has the higher standardized score?

Shari is trying to decide how she should use her cash birthday gifts. her choices are new clothes, a concert ticket, or donating the money to her favorite charity. shari decides to donate the money. the value given up by not choosing both the clothes and the concert ticket is called a . a.) trade-off b.) opportunity cost c.) retail price