WHIRLWIND EXPLANATION: Pokémon have a fixed, permanent score from 0 to 31 for each stat that affects how good that stat can ever get.

This calculator will figure out that score (called a "gene" or, more obtusely, an "IV") for you, so you can discard the unworthy. It's more accurate for higher-level Pokémon, so it's helpful to go into a level 100 wifi battle with someone and check your Pokémon's stats from there.

Stat calculator

Doduo
Doduo 		Base
stats		 Stats Effort Stats Effort Stats Effort Stats Effort Stats Effort Stats Effort Stats Effort Stats Effort Stats Effort Stats Effort Possible genes (IVs)
Level Level Level Level Level Level Level Level Level Level
HP 35
35–40
37–42
38–44
42–48
47–54
49–56
52–60
54–62
61–70
27–29
Attack 85
30–35
32–37
33–39
37–43
42–49
44–51
47–55
49–57
56–65
6
Defense 45
18–23
19–24
20–25
22–27
24–31
25–32
27–35
28–36
32–41
2
Special Attack 35
15–20
16–21
16–22
18–24
20–27
21–28
22–30
23–31
26–35
22
Special Defense 35
15–20
16–21
16–22
18–24
20–27
21–28
22–30
23–31
26–35
2
Speed 75
27–32
29–33
30–35
33–39
38–44
39–46
42–50
44–52
50–59
7

Hmm, I need more information to figure out your Pokémon's genes exactly. Try raising it to level 34 and entering its new stats.
Remember: if your Pokémon battles at all, you'll need to track the effort it gains. Consider saving your game and using Rare Candy instead.

And for your copy/pasting pleasure:

27–29 HP; 6/2 Physical; 22/2 Special; 7 Speed

or start over