You examine the effect of drought on plant growth. You take 20 tomato seedlings and expose each of them to an increasing level of drought (each plant gets successively less water). After two weeks you measure plant weight and amount of water. To analyze this problem would you pick a one or two sided test?

You have a 4 x 6 contingency table.  Give the correct value of

A residual plot shows a totally random pattern (just a random collection of points above and below the line).  What is wrong with this plot?

You take a sample of 37 gray squirrels and find that 8 of them are black in coloration. Based on genetics, you expect 25% of your squirrels to be black.  To analyze this problem would you pick a one or two sided test?

15) Which of the following best describes the internal structure of Europa?

17) What is/are the liquid(s) in Titan’s rivers and lakes?

20) As global warming raises the moisture content in our atmosphere, storms will

2) When a low-mass star can no longer fuse hydrogen into helium in its core,

Which is true of the Aral Sea, once the 4th largest lake in the world?

According to Mankoff, out of all the republics in Central Asia and the Caucasus, which one accuses Iran of attempting to subvert its secular nature by backing Islamist militants?