In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 25% of your total grade, each major test is worth 22.5%, and the final exam is worth 30%. Compute the weighted average for the following scores: 92 on the lab, 81 on the first major test, 93 on the second major test, and 85 on the final exam.

The 11th Edition of The Pro Football Encyclopedia gave the following information. Random sample of pro football player ages in years:

$$\begin{array}{cccccccccc} 24 & 23 & 25 & 23 & 30 & 29 & 28 & 26 & 33 & 29 \\ 24 & 37 & 25 & 23 & 22 & 27 & 28 & 25 & 31 & 29 \\ 25 & 22 & 31 & 29 & 22 & 28 & 27 & 26 & 23 & 21 \\ 25 & 21 & 25 & 24 & 22 & 26 & 25 & 32 & 26 & 29 \end{array}$$

Compare the averages. Does one seem to represent the age of the pro football players most accurately? Explain.

One standard for admission to Redfield College is that the student must rank in the upper quartile of his or her graduating high school class. What is the minimal percentile rank of a successful applicant?

How expensive is Maui? If you want a vacation rental condominium (up to four people). The Maui News gave the following costs in dollars per day for a random sample of condominiums located throughout the island of Maui.

$$\begin{array}{cccccccccc}89 & 50 & 68 & 60 & 375 & 55 & 500 & 71 & 40 & 350 \\ 60 & 50 & 250 & 45 & 45 & 125 & 235 & 65 & 60 & 130\end{array}$$

If you were a travel agent and a client asked about the daily cost of renting a condominium on Maui, what average would you use? Explain. Is there any other information about the costs that you think might be useful, such as the spread of the costs?

Which average-mean, median, or mode-is associated with the standard deviation?

The archaeological site of Tara is more than 4000 years old. Tradition states that Tara was the seat of the high kings of Ireland. Because of its archaeological importance, Tara has received extensive study. Suppose asn archaeologist wants to estimate the dentistry of ferromagnetic artifacts in the Tara region. For this purpose, a random sample of 55 plots, each size 100 square meters, is used. The number of ferromagnetic artifacts for each plot is determined. (a) Identify the variable. (b) Is the variable quantitative or qualitative? (c) What is the implied population?

Consider the following measures: mean, median, variance, standard deviation, percentile.

(a) Which measures utilize relative position of the data values? (b) Which measures utilize actual data values regardless of relative position?

Explain the relationship between variance and standard deviation. Can either of these measures be negative? Explain.

In the following sentence, underline the word or phrase that is used incorrectly according to the rules of formal, standard English usage. Then, write the correct usage above the incorrect usage.

The final exam in Biology II was alot easier than I expected it to be.

A. biology, chemistry, and math B. Biology, Chemistry, and math C. biology, chemistry, and Math D. Correct as is

What physical exam and lab tests should be performed on initial visit of a pregnant patient?

Solve the equation.

$$x ^ { 2 } - 22 x + 133 = 0$$

The (Federal Reserve System/FDIC) guarantees a bank deposit up to $100,000.

Which of these is a field setting?

a. A psychology lab with a hidden camera

b. A neuropsychology lab with an MRI machine

c. A preschool playground with video cameras

d. A biology lab with galvanic skin response detectors