<span>p1=44/88=.50; p2=57/85=.67.
Under the null hypothesis of no difference, we pool the data to estimate the
common p of (44+57)/(88+85)=.584.
The test statistic is (.67-.50)/sqrt[(.584)(1-.584)(1/88 + 1/85)]=2.268 (which is stat sig. at a .095 level).</span>
Answer:
The answer is "The threat to internal validity is mortality".
Step-by-step explanation:
It signifies that while in terms of your study, persons were "morning." It usually signifies when people leave the studies. There will be only likely if indeed the experiment lasts a long period that it'll be a substantial danger to validity and reliability because the chance for drops increases. Eight content validity risks are history, maturity, instrument, test, choice, average regress, human engagement, and mortality.
Answer:
2over1 multiply by 6over 3then you devide both sides by the given numbers then answer is 6woal number 1out of 6
Answer:
A unit of account in economics is a nominal monetary unit of measure or currency used to value/cost goods, services, assets, liabilities, income, expenses; i.e., any economic item. It is one of three well-known functions of money. It lends meaning to profits, losses, liability, or assets.
Step-by-step explanation: