Answer:
past price data is unrelated to future prices.
Step-by-step explanation:
The efficient market hypothesis (EMH) is a theory of investment in which it proves that it is unattainable to strike the stock market.
Here there are 3 forms that is a weak one, semi-strong one and strong one
In the weak form it implies that there is an efficient market that represent the market information also the market rate of return is independent but the the rates that are in past have no impact on the future rates
therefore the first option is correct