What is the best estimate for the giraffe population A country in Africa is trying to restore its giraffe population and is carefully keeping track ofhow many giraffes are in the area. To do so, local wildlife authorities put tags on 20 giraffesand release them. Later, they corral 570 giraffes; among these giraffes, 15 are tagged. To thenearest whole number, what is the best estimate for the giraffe population?SubmitWork it outNot feeling ready yet? These can help:Solve proportionsDo the ratios form a proportion: word problemsLesson: ProportionsCompany Biog Heip center user quides Tell us what you think Testimonials Contact us Terms of service Privacy policy

For an unspecified population (i.e., the total number of giraffes in the area), the sample…

Answered: A country in Africa is trying to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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One of the tasks that forensic scientists face is estimating the age of an unidentified crime victim. Prior to 2010, this was usually done by analyzing teeth and bones, and the resulting estimates were not very reliable. In a groundbreaking study, scientists examined the relationship between age and a blood test measure. They recorded age and the blood test measure for 195 people ranging in age from 7 to 80 years. The scientists were interested in predicting age using the blood test measure. The following sample of 15 people will be used in this problem Blood test measure Age -8 19 -6 12 -11 42 -8 22 -13 58 -15 77 -14 70 -6 7 -12 45 -10 37 -9 35 -7 20 -9 28 -13 65 -12 75 1. Which of these two variables is the response variable and which is the predictor variable? 2. Construct a scatterplot of the data. How would you describe the relationship between these two variables? 3. Find the equation of the least squares regression line. 4. Construct a residual plot and comment on any unusual…
For the data 100, 500, 300, 100, 200 ; the most effective measure of location is A) Mode B) Mean C) None D) Median
It is difficult to determine a person’s body fat percentage accurately without immersing him or her in water. Researchers hoping to find ways to make a good estimate immersed 20 male subjects to find their percent body fat and then measured their waists. Their goal is to be able to predict percent body fat from waist size. Waist (in) 32 36 38 33 39 40 41 35 38 38 33 40 36 32 44 33 41 34 34 44 Body Fat (%) 6 21 15 6 22 31 32 21 25 30 10 20 22 9 38 10 27 12 10 28 What is the regression model (i.e. the equation)? What number is the slope in your model? Explain in a complete sentence what the slope of the model means in terms of Waist size and Body Fat. Have Geogebra make a residual plot. What is the purpose of the residual plot? What does the residual plot you made with this data tell you? What is the correlation coefficient r for this data? If you square r, you…
Data were gathered on how high dolphins jump from the surface of the water based on body length. The following data was obtained from 10 randomly selected dolphins in Miami, Florida. Body Length (in feet) Height of Jump (in feet) 5.5 15 6 15 6.7 17.5 7.2 17 7.5 18.1 8.2 18.7 8.2 17.6 8.5 19.2 9 22.3 9.5 19.3 What is the value of r and its interpretation?
if someone could please help me solve this that would be great :)
A congressperson wants to come up with a single value to describe the prices of homes in their district. However, their district consists of a few homes that are extremely expensive compared to the others. Which descriptive statistic should they use? a. Range b. Mode c. Median d. Mean
I only need Part D.
The length, in mm, of 48 rubber tree leaves are given below. 137 152 127 147 141 157 132 153 166 147 136 134 146 142 162 169 149 135 166 157 141 146 147 148 163 133 148 150 136 127 162 152 143 138 142 153 145 154 144 126 139 126 158 147 136 144 159 161 000 Use EXCEL to find the: а. МEAN b. Median C. Mode Submit the data sheet and the result as your answer.
The distribution of hemoglobin in grams per deciliter of blood if approximately N(14,1) in women and approximately N(16,1) in men. Use software or Table B to find the answers. A) What percent of women have more hemoglobin than the men's mean hemoglobin? B) What percent of men have less hemoglobin than the women's mean hemoglobin? C) What percent of men have more hemoglobin than the women's mean hemoglobin?
1
Please answer all parts.

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