I feel that my manager doesn't like me.,what should I do?

Ok basically I work at a retail store, It's my first ever job and I'm inexperienced. It's only been four shifts at work and I made a few mistakes(they are not serious AT ALL). My manager seems like she thinks I'm stupid or something because I was asking help on my THIRD time on the register. At one point,she said "I don't like you because you keep asking questions" when I only asked her a questions twice.

This morning before the store opened, me and another 3 coworkers had a small meeting with the manager and she talked through some of the things. Well, I was observing him all the way through but she didn't look at me AT ALL, not even a glance! She was just addressing the other three as if I didn't exist! Now that I think about it, every time he talked to a few of us, I was always left out of his sight range.

She didn't make any rude remarks to me or something like that but it really hurt me that he treated me like i wasn't part of the group. Ok, i know that the other people can do their job fast and efficient cuz they been here like at least a year, I've only been here for four days but a few tiny mistakes really shouldn't be enough for her to think lightly about me.

I really do think that as a newbie(this is my first job ever), I need his encouragement badly, if I make a mistake, I correct it, but if i do something right, it would really motivate me tremendously if she can give me at least a word of acknowledgment like 'it seems that you are getting on.' Every time I do something,she's like "No,why are you even doing that? Do something else." and she gave everyone else their fifteen at the same time and then gave me mines separately so I just sat by myself for fifteen minutes.

Anyway, sorry for the complaint, i just wanna ask you guys if it is possible to turn things around. I like this job as well as the people here including the manager.

Oh,and at one point when everyone was folding she said something like "One new cashier did a terrible job today,I think SHE is going to graduate to floor and FLOOR only,that's really bad"

and i was the only girl doing cashier so everyone knew she was talking about me....