Question $1$

Consider the following returns and states of the economy

for

TZ$.$Com.:

What is the standard deviation of TZ$\text{'}$s returns? SET

YOUR CALCULATOR TO FOUR DECIMAL PLACES AND

ROUND TO $2$ DECIMAL PLACES AT THE END. DO NOT

ENTER THE $\%.$ FOR EXAMPLE, IF YOUR ANSWER IS

$7\mathrm{.}7011\%$ ENTER IT AS $7\mathrm{.}70.$