Thereare five items to measure a factor called agreeableness. Do a reliability testabout the scale using R. Interpret the results. Download the data file Q4.csvin black board.

A1: I amindifferent to the feelings of others.

A2: I inquireabout others’well-being.

A3:  I know how to comfort others.

A4: I Lovechildren.

A5: I Make people feel at ease.

另有数据Q4，附件传不上去，哪位可以帮忙，我发给你