Statistics average (mean) please complete it for BRAINLIST

Find the Mean (average of the following set of numbers, then choose the correct answer.

1. 3, 6, 9, 14

A.9
B.7
C.8
D.6

2. 2, 4, 9, 13

A.5
B.7
C.9
D.10

3. 12, 13, 14, 15, 16, 17, 18 *

A.14
B.15
C.12
D.18

4. 23, 25, 27, 29, 31, 33, 35

A.25
B.26
C.28
D.29

5. 19, 6, 13, 10, 32

A.14
B.16
C.15
D.17

6. 38.2, 17.6, 63.5, 80.7

A.50
B.52
C.48
D.51

7. peters examination percentages in 7 subjects were 64, 43, 86, 74, 55, 53 and 66 what was the mean mark?

A.62
B.63
C.60
D.65

8. A bowler took 110 wickets for 1815 runs. Calculate the average number of runs per wicket.

A.16.2
B.18
C.16.5
D.17

9. A dart player scored 2567 in 50 visits to the board. What was his average number of points per visit?

A.51.3
B.55.7
C.50.3
D.53.4

10. In four successive days a trader sold 24, 48, 12, 60 orange. Calculate her mean daily sale of oranges.

A.40
B.36
C.39
D.42​