We would like to test if students who are in electrical engineering, mechanical engineering and computer engineering spend the same amount of time studying outside of class. representative samples are collected and descriptive statistics are performed. what type of statistical test should we use? explain.

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?