OSAT ELEMENTARY SUBTEST 2 questions with correct answers

When purchasing the seeds at the store no single package contained enough seeds for the entire project, most contain about thirty seeds per package. Which of the following is an acceptance approach for testing the hypotheses? CORRECT ANSWER purchase one packets from each of four different brands of seed and divide the seeds from each packet equally among four test groups purchase four packets of the same brand and divide the seeds from each packet equally among the four test groups During the measurement of seed and root length it is noted that many of the roots are not growing straight. Efforts to manually straighten the roots for measurements are only minimally successful as the roots are fragile and susceptible to breakage. Which of the following approaches is consistent with the stated hypothesis: CORRECT ANSWER record only the number of seeds that have sprouted, regardless of length In presenting the results of this experiment, which of the following could be used to present the data to confirm or refute the hypothesis CORRECT ANSWER A pie chart for each test group showing the percent of seeds in that group that sprouted A line graph plotting the number of germinated seeds vs. minutes of time exposed to the microwave Which equations could be used to anwser the following questions? Together, a pen and a pencil cost $2.59 (ignoring tax). The pen cost $1.79 more than the pencil. What was the cost of the pencil? CORRECT ANSWER 2.59=x+ (x+1.79)