The data in Table 2 represents the prices of Seabass (RM/kg) sold at two different

wet markets for 9 consecutive days.

Table 2: Price of Seabass (RM/kg)

Wet Market A

23

21

24

23

24

23

22

22

23

Wet Market B

20

20

21

22

22

23

21

21

23

For each type of market,

i.calculate the mean and standard deviation.