# Question: Aerial photographs are one of many techniques used to monitor

Aerial photographs are one of many techniques used to monitor wildlife populations. Knowing the number of animals and their locations relative to areas inhabited by the human population is very useful. It is also important to monitor physical characteristics of the animals. Is it possible to use the length of a bear, as estimated from an aerial photograph, to estimate the bear’s age and/or weight? (It would be much safer than asking it to stand on a set of scales! ☺) The data that follow are for age (in months), gender (1 = male 2 = female )

length (in inches), and weight (in pounds).

a. Investigate the relationship between the length and age of the bears. Be sure to include the gender variable.

b. Does there seem to be a predictable pattern for the relationship between length and age? How does gender of the bear affect the relationship? Explain. Describe the pattern.

c. Investigate the relationship between the length and weight of the bears. Be sure to include the gender variable.

d. Does there seem to be a predictable pattern for the relationship between length and weight? How does gender of the bear affect the relationship? Explain. Describe the pattern.

e. If the gender of a smaller or younger bear cannot be determined, how will this affect the estimate for age or weight? Explain.

length (in inches), and weight (in pounds).

a. Investigate the relationship between the length and age of the bears. Be sure to include the gender variable.

b. Does there seem to be a predictable pattern for the relationship between length and age? How does gender of the bear affect the relationship? Explain. Describe the pattern.

c. Investigate the relationship between the length and weight of the bears. Be sure to include the gender variable.

d. Does there seem to be a predictable pattern for the relationship between length and weight? How does gender of the bear affect the relationship? Explain. Describe the pattern.

e. If the gender of a smaller or younger bear cannot be determined, how will this affect the estimate for age or weight? Explain.

## Relevant Questions

Determine the critical value(s) and regions that would be used in testing each of the following null hypotheses using the classical approach: Consider the “Married Couples’ Heights” scatter diagram presented in “Height Compatibility” on page 612: a. Find the equation for the line of best fit. b. Is the value of b1 significantly greater than zero at the ...An experiment was conducted to study the effect of a new drug in lowering the heart rate in adults. The data collected are shown in the following table. a. Find the 95% confidence interval for the mean heart rate reduction ...Answer the following as “sometimes,” “always,” or “never.” Explain each “never” and “sometimes” response. a. The correlation coefficient has the same sign as the slope of the least squares line fitted to ...The following set of 25 scores was randomly selected from a teacher’s class list. Let x be the pre-final average and y be the final examination score. (The final examination had a maximum of 75 points.) a. Draw a scatter ...Post your question