Information for the three questions below Suppose that we would like to compare four populations (for example, four races/ethnicities or four age groups) with respect to a certain psychological test score. More specifically we would like to test :

Fifty part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: # of Courses Frequency Relative Frequency Cumulative Relative Frequency 1 30 0.6   2 15     3       What percent of students take one or two courses?

The p-value of this hypothesis test is…

For Questions 11-13, refer to the problem statement below. Two processes have unknown variances that are assumed equal to one another.  A sample of size n1=n2=15 was taken from each process, and the results are

The type-II error probability of this test when the true mean is 620 is …

Explain two of the ways to prevent malaria from spreading.  Don’t just list 2 things; you need to explain how each measure prevents malaria. Total 6-8 sentences.

vulnerable, collaborated, fatigue, inherited, eliminate, obesity, promising, link, thrive, leading, stigma, obtainTwo research teams _______________ on the design on a low-cost, high-capacity water purification system. They worked side by side for six months.

The revolving nosepiece:

BONUS #5: The hydride ion, H-, is a stronger base than the hydroxide ion, OH-. The product(s) of the reaction of hydride ion with water is/are ________. WRITE A REACTION TO SUPPORT YOUR ANSWER CHOICE

The more negative ΔG° is for a given reaction, the larger the value of the corresponding equilibrium constant, K.