Which was a direct result of bank failures in the 1920s and 1930s?

a. unemployment rose. b. companies slowed production. c. depositors lost their savings. d. people could not pay back their loans.

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling