Question

please answer i need it

Answer 1

Step-by-step explanation:

good morning

follow mee.....

Answer 2

Answer:

10

Step-by-step explanation:

Mean=(10×5+20×8+30×k+40×9+50×7+60×1)/30+k

32=10×5+20×8+30×k+40×9+50×7+60×1)/30+k

32×(30+k)=50+160+30k+360+350+60

960+32k=980+30k

32k - 30k=980-960

2k=20

k=10