Refer to the accompanying table. If the price of a t-shirt is $6 and the price of a sweater is $80, then the rational spending rule is satisfied when the consumer purchases _____ t-shirts and ______ sweaters.  

Laura’s total utility from consuming 7, 8, and 9 bonbons is 45, 60, and 65, respectively. Her marginal utility from the 8th bonbon is _____.

The accompanying figure shows a single consumer’s demand for ice cream at the student union. During the summer, there are 300 students on campus. Each student’s weekly demand for ice cream is shown above. When the price of ice cream is $2 per scoop, those 300 students purchase a total of ______ scoops per week from the student union.

Refer to the accompanying figure. What is total consumer surplus at the market equilibrium?

You are trying to decide how to spend your last lunch dollar. You should use that dollar to buy more of the item

Taylor’s marginal utility from watching movies and from eating out (in utils) is shown in the accompanying table. Taylor spends exactly $100 every month on these two forms of entertainment; the price of each movie is $10 and the price of each dinner is $20. If Taylor eats out 3 times a month, Taylor will watch ______ movies, and have marginal utility per dollar of ______ from eating out and a marginal utility per dollar of ______ from going to the movies.

If is ill-conditioned, using the pseudoinverse (SVD-based) is a standard remedy.

The least-squares orthogonality principle states that at the optimum:

A GLM can attribute variability in spiking to:

A classifier can appear highly accurate under class imbalance even if it performs poorly on the minority class.