SHORT ANSWER. Using the following information, write the word, phrase, or

value that best answers the problem.

Determine whether the given value is a statistic or a parameter.

1. In studying the Loggerhead turtle on Anna Maria Island, FL, scientists observe the
   average (mean) number of hatchlings in all 253 nests.
2. A sample of Medtronic's rechargeable implanted spine stimulator batteries lasted an
   average (mean) of nine years.
   Determine whether the given values are from a discrete or a continuous data set.
3. A sample of Dall sheep is measured to have an average (mean) horn length of 35.7
   inches.
4. The number of hatchlings from a sample of 45 bluebird nests is 135.
   MULTIPLE CHOICE. Select the choice that best answers the problem.
   Determine which of the four levels of measurement is most appropriate
5. Doctors measure the weights (in pounds) of pregnant women. What type of data is

collected? ( 0.5 pt)

1. Nominal
2. Ordinal
3. Interval
4. Ratio

6) Scientists classify the four major deserts in North America using different regions:

the Great Basin, the Mojave, the Sonoran, and the Chihuahuan. What type of data is

collected? (0.5 pt)

1. Nominal
2. Ordinal
3. Interval
4. Ratio

7) Physicians rank the severity of asthma using mild intermittent asthma, mild

persistent asthma, moderate persistent asthma, severe persistent asthma, or brittle

asthma. What type of data is collected? (0.5pt)

1. Nominal
2. Ordinal
3. Interval
4. Ratio

SHORT ANSWER. Using the following information, write the word, phrase, or

value that best answers the problem.

Use the following sample data for the following five questions. A study of physical

fitness tests for 12 randomly selected Pre-Medical students measured their exercise

capacity (in minutes). The following data resulted:

34 19 33 30 43 36 32 41 31 31 37 18

1. Find the mean, the median, and the mode for the students' exercise capacity.
2. Using five classes, construct a frequency distribution of the students' exercise
   capacity.
3. Find the standard deviation and the variance for the sample data of the students'
   exercise capacity.
4. Identify the five number summary for the students' exercise capacity.
5. Construct a box plot for the students' exercise capacity.

Use the following information for the next two questions. For 2003, the rate of

residential recycling in Delaware was reported as 130 per 1000 households.

15) Find the probability that a randomly selected household recycled.

16) If two households are randomly selected, find the probability that neither of them

recycled.

Assume that having a child with brown eyes or blue eyes is equally likely and that

eye color is independent of the other children.

17) What is the probability of having 5 children with brown eyes?

MULTIPLE CHOICE. Select the choice that best answers the problem.

9) Select the pair of events that are disjoint for a single trial.

1. Randomly selecting a ophthalmologist; Randomly selecting a male doctor
2. Randomly selecting a bird; Randomly selecting a hummingbird
3. Randomly selecting someone taking Tylenol; Randomly selecting someone in a
   control group taking no medications
4. Randomly selecting someone with type O blood; Randomly selecting someone

with Rh positive blood

10) Select the pair of events that are dependent .

1. Consuming a 1400 calorie hamburger each day for a week; Gaining weight
2. Taking a Biostatistics course; Having brown hair
3. Randomly selecting a gray fox; Randomly selecting a fish
4. Randomly selecting someone with type O blood; Randomly selecting someone

with type B blood

11) Select the complement of the event: All 80 participants in a study are kidney donors.

1. At least one of the participants is a kidney donor.
2. Less than 40 of the participants are kidney donors.
3. None of the participants are kidney donors.
4. More than 40 of the participants are kidney donors.

MULTIPLE CHOICE. Select the choice that best answers the problem.

10) Select the procedure that does NOT result in a binomial distribution.

1. Surveying dental patients and asking them if they experienced anxiety during
   their appointment
2. Surveying dental patients and asking them if they did or did not floss before
   their appointment
3. Surveying dental patients and asking them if they have dental insurance
4. Surveying dental patients and asking them how their teeth feel after their

appointment

11) Select the procedure that does NOT result in a Poisson distribution.

1. Researching the Northern Spotted Owls' number of feedings per month
2. Researching the Barred Owls' wingspan in inches
3. Researching the Snowy Owls' number of migrations over 20 years
4. Researching the number of Sooty Owls' deaths per year

MULTIPLE CHOICE. Select the choice that best answers the problem.

14) Choose the choice of statistics that best target population parameters.

1. Variance and range
2. Range and standard deviation
3. Variance, mean, and proportion
4. Proportion, mean, and standard deviation

SHORT ANSWER. Using the following information, write the word, phrase, or

value that best answers the problem.

For the next three questions, test the given claim using the P-value method for

hypothesis testing about a proportion. Assume a simple random sample has been

taken, the conditions for a binomial distribution are satisfied, and the sample

proportions can be approximated by a normal distribution.

In order to track the percentage of misdiagnoses by Emergency Room doctors, a sample

of 900 patients revealed that 45 patients were misdiagnosed with indigestion instead of

a heart attack. Test the claim that physicians misdiagnose less than 6% of heart attacks.

Use a .01 significance level.

8) Identify the null hypothesis and alternative hypothesis.

9) Identify the P-value and level of significance.

10) State a conclusion about the null hypothesis and a final conclusion that addresses

the original claim.

Determine which is the appropriate approach to conduct a hypothesis test.

7) Claim: The mean RDA of sodium is 2400mg. Sample data: n 150 , X 3400 ,

s 550 . The sample data appear to come from a normally distributed population.

1. Use the normal distribution.
2. Use the Student t distribution.
3. Use the Chi square distribution.
4. Use nonparametric or bootstrapping methods.

MULTIPLE CHOICE. Select the choice that best answers the problem.

Determine which samples are independent or dependent.

8) Determine which samples are independent samples.

1. Savannah moths monitored for survival at plot 1 of Iowa prairie; Savannah
   moths monitored for survival at plot 2 of Iowa prairie
2. Patients given the drug Requip for Restless Leg Syndrome; Patients given a
   placebo for Restless Leg Syndrome
3. Number of macroinvertebrates in a stream at first month; Number of
   macroinvertebrates in a stream at second month
4. Mothers who gave birth before week 35 of pregnancy; Their babies who

developed autism

9) Determine which samples are dependent samples.

1. Survival rate of reestablishing saguaro cacti; Survival rate of reestablishing
   sagebrush
2. Children given DtaP vaccine; Children given placebo vaccine
3. Number of in-channel pools within a certain river; Number of pool-inhabiting
   juvenile coho salmon in the river
4. Patients given the drug Avastin for lung cancer; Patients given a placebo for

lung cancer.

For the next two questions, identify the choice that contains a conclusion with a

common correlation error.

4) Given: There is a significant linear correlation between the numerical abundance of

floating insects in a certain river and the number of insect-eating fish in the river.

1. Conclusion: r results in a value close to 1
2. Conclusion: an increase in floating insects is related to an increase in insecteating
   Fish.
3. Conclusion: r results in a value close to -1
4. Conclusion: an decrease in floating insects causes a decrease in insect-eating

fish

5) Given: There is a linear correlation coefficient very close to 0 between mothers who

smoked during pregnancy and the incidence of influenza in their babies.

1. Conclusion: the frequency of mothers' smoking is not related in any way to the
   incidence of influenza in their babies
2. Conclusion: an increase in the frequency of mothers' smoking is not linearly
   related to an increase in the incidence of influenza in their babies
3. Conclusion: a decrease in the frequency of mothers' smoking is not linearly
   related to a decrease in the incidence of influenza in their babies
4. Conclusion: there is not a linear relationship between the frequency of mothers'

smoking and the incidence of influenza in their babies

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