In a clothing factory, a therapist was brought in to design and provide suitable seats for 10 machinists in a trial evaluation to provide for better ergonomics and productivity. Average weekly production of a particular dress by these machinists before and after changes of seats is shown below.  Have the new seats improved the productivity of the machinists? Test at 5% level of significance.

Transcribed Image Text:

Machinist On old seats On new seats 123567810 59 65 63 70 51 48 57 53 66 69 50 52 58 60 9 53 54 62 65