Identify each of the following data sets as either apopulation or a sample:a. The grade point averages (GPAs) of allstudents at a college.b. The GPAs of a randomly selected group ofstudents on a college campus.c. The ages of the nine Supreme Court Justicesof the United States on January 1, 1842.d. The gender of every second customer whoenters a movie theater.e. The lengths of Atlantic croakers caught on afishing trip to the beach.

Given that We have to identify population and sample : a. The grade point averages (GPAs) of all…

Answered: Identify each of the following data…

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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As practiced by many in buying skirts or pants, they use the neckline to check if the waistline of the skirts or pants fits them. We would like to study this claim by using a random sample of neckline and waistline of 15 people. The data collected are summarized as follows: Subject 1 2 3 4 5 6 7 8 9 10 11 12 14 15 13 Neckline 35 34 38 45 38 33 38 42 44 33 35 31 33 35 30 (cm) Waistline(cm) 83 97 100 86 82 77 82 91 62 93 57 67 93 57 3-4. The regression equation is: Waistline' = - 3.9964 2.30321 neckline 5. Using the regression equation/model for waistline in Number 3-4, estimate the waistline if the neckline of a person is 37 cm. Round off final answer to two decimal places. 6-8. Solve for the coefficient of determination, r2 (Express the answer in percentage form, r2 x 100%; Round off final answers to two decimal places): E(y/ – 9)² = E(y – 9)² = 9. Solve for the coefficient of nondetermination (Express the answer in percentage form; Round off final answer to two decimal places):
Here are seven ages of college students (in years): 30, 18, 44, 21, 22, 25, and 26. Find their median. a.) 25.00 b.) 26.57 c.) 8.60
The sale price of shares of a certain organization on each month during five years is mentioned as follows: 243 240 217 283 268 212 251 263 275 208 230 288 259 225 252 236 190 247 280 234 250 236 277 218 245 268 231 269 224 259 258 231 255 228 202 245 246 271 249 255 265 235 243 219 255 245 238 257 254 284 197 200 276 294 210 300 225 193 243 269 (a) Construct frequency distribution.(b) Sketch Histogram and Frequency Polygon.
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Select the correct answer and write the appropriate letter in the space provided _____ 1. A grouping of data into classes giving the number of observations in each class is called a(an) a bar chart. b. frequency distribution. c. pie chart. d. cumulative frequency distribution. ______ 2. The distance between consecutive lower class limits is called the a. class interval. b. frequency distribution. c. class midpoint. d. class frequency. ______ 3. The class midpoint is a. equal to the number of observations. b. found by adding the lower class limits of two consecutive classes and dividing by 2. c. equal to the class interval. d. all of the above. ______ 4. The number of observations in a particular class is called the a. class interval. b. class frequency. c. frequency distribution. d. none of the above. ______ 5. A bar chart is used most often when a. you want to show frequencies as compared to total observations. b. you want to show…
My electric bills for June, July, and August last summer were $75, $75, and $150, respectively. What was the mean amount for the three bills? Question 14 options: $75 $100 $125 $150
Question 42
B. Present these given Math grades of high school students in the indicated data organization. 88 93 80 80 90 95 84 67 90 92 93 87 75 89 79 92 87 90 83 87 80 80 91 79 81 d. Stem leaf e. Box and whisker 99 1878 89 77 82 75 87 84 82 75 85 90 86 76 76 90
2. How many observations are there in a complete data set having 30 elements and 3 variables? A. 90 B. 30 C. 3 D. 10
A store manager, using his data for the past four years, presents his sales using a bar graph. Under what branch of Statistics does this belong? a) Descriptive statistics c) Qualitative data b) Inferential statistics d) Quantitative data
The marketing team at an internet music site wants a better understanding of who their customers are. They send out a survey to 25 customers asking for demographic information. One of the variables is the customer's age. For the 25 customers, the ages and a histogram of those ages are shown to the right. Complete parts a) through c). U me mean age sivula De vigyer man me mevail pecause the distribution is skewed to the nym b) Find the mean age. The mean is 31.56 c) Find the median age. The median is C 13 20 33 32 43 15 28 30 39 40 19 28 32 39 40 22 29 34 38 46 24 29 31 39 46 g of Customers 25 Age 50
Thirty students in the School of Business were asked what their majors were. The following represents their responses (M = Management; A = Accounting; E = Economics; O = Others). A M M A M M E M A E E M A E E E A M A A M а. Construct a frequency distribution. , b. Construct a bar chart Please upload a file containing all of your work and diagrams.

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