A Random Sample of 60 Mathematics Majors Spent an Average

Multiple Choice

A random sample of 60 mathematics majors spent an average of $200.00 for textbooks for a term, with a standard deviation of $22.50. A random sample of 40 English majors spent an average of $180.00 for textbooks that term, with a standard deviation of $18.30. What is the value of the pooled standard error for the difference in mean amount spent?

A) 20.93
B) 4.27
C) 16.81
D) 4.10