1/ One hundred students are shown an eight-digit number on a piece of cardboard for three seconds and are asked to then recite the number from memory. The process is repeated until the student accurately recites the entire number from memory. The following histogram presents the number of trials it took each student to memorize the number.

How many students memorized the number in six trials or more?

61

40

39

29

2/A study was done on two groups of college seniors. Group1 was given job skill training such as advice on resumes and interviewing for jobs. Group2 was not given any help. At the end of the spring semester, the seniors were asked if they had been offered a job. The results of the two groups were compared.

Observational

Experimental