Household1234567 ∞a9No. of Adults2NON - wer NW N32531232Aggregate number ofhours spent exercising byall adult1378 OINO40120 2. Suppose that a survey is being planned for purposes of estimating the average numberof hours spent exercising daily by adults (18 years of age or older) living in a certaincommunity. A list of all individuals living in the town is not available; however, a listof households is available at the office of the town clerk. For simplicity, suppose thisconsists of nine households and that the information you would collect, were you tovisit each household, is as shown in the accompanying table.*1b. Devise a sampling plan to estimate the average daily time expenditure onexercising by adults living in the community.c.Select all samples of two households from this frame, and compute the averageexercising time per person for each sample.d. Compute the expected value of your estimate, and compare this with the actualpopulation parameter.e. Calculate the standard error of your estimate.

Dataset:HouseholdNo of adultsaggr hours spent exercising121233327458534610721832920Information on 9…

Answered: 2. Suppose that a survey is being…

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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Assume that you are employed by a mobile phone company and you want to characterize costumers on the basis of their mobile-phone activity. Which type of network would be most useful for representing the mobile-phone data of your company? Select one: a. Directed,Unweighted b. Directed,Weighted c. Simple d. Undirected, Weighted
4. Trying to determine the number of students to accept is a tricky task for universities. The Admissions staff at a small private college wants to use data from the past few years to predict the number of students enrolling in the university from those who are accepted by the university. R INPUT: accepted |t]) (Intercept) accepted 88.88272 182.36584 0.487 0.6515 0.20801 0.07002 2.971 0.0411 * Signif. codes: ***' 0.001 **' 0.01 '*' 0.05 '.' 0.1 ' 1 Residual standard error: 26.35 on 4 degrees of freedom 0.6881, Adjusted R-squared: 0.6101 Multiple R-squared: F-statistic: 8.824 on 1 and 4 DF, p-value: 0.04112 (a) Write an equation for the regression line. (b) What is the slope of the least-squares regression line? Interpret this in the context of the application. (c) Interpret the intercept of the line in context. Does the interpretation make sense?
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Use the following Boxplot to answer the following question: 30 45 60 75 90 105 120 135 150 165 180 195 210 225 240 255 270 285 300 The Range of the raw data for the above Boxplot is Select one: O a. 90 O b. 180 О с. 60 O d. none
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Would you like a cup of tea? Carole and Julius are getting ready to open a new cafe and are gathering up information about sales of different drinks in their state. They obtain data containing the yearly sales (in $1000s) for three types of tea: Darjeeling, Earl Grey, and Green Tea. A boxplot of the data and a histogram of the sales for all three teas combined is shown below. Note: Clicking on any image in this problem will open it in a new window, allowing you to enlarge the view. Tea Sales by Product Combined Tea Sales Darjeeling Earl Grey Green Tea 100 200 300 400 Product Sales in $1000 Part 1: Use the plots above to make quantitative comparisons and answer the following questions: Quantity A: The 75th percentile (Q3) of Sales for Darjeeling Tea Quantity B: The 75th percentile (Q3) of Sales for Green Tea Quantity A is greater Quantity A: The median of Sales for Darjeeling Tea Quantity B: The median of Sales for Green Tea Quantity B is greater 00€ 007 Frequency > 000 008 007 Sales in…
"Tech D" has collected data concerning their 622 employees: 305 are married; 332 are over 40 years old; 311 are female; 196 are married and over 40; 181 are married and female; 235 are over 40 and female; 126 are married, over 40, and female. How many employees are over 40 and not married? You may want to draw a Venn Diagram to illustrate this situation.
Set A: n = 5; x = 10Set B: n = 50; x = 10(a) Suppose the number 32 is included as an additional data value in Set A. Compute x for the new data set. To compute x for the new data set, add 32 to x of the original data set and divide by 6. (Round your answer to two decimal places.) b.) Suppose the number 32 is included as an additional data value in Set B. Compute x for the new data set. (Round your answer to two decimal places.)
For the following line graph, State at least one type of conclusion that could be made from the data provided for the KPI. Suggest one other data source that would provide more information to make data-driven decisions. Explain what information that source would supply. (I used the clustered bar chart) Examples: 1) The completion KPI measures the percentage of South Texas College students who finished their degree or certificate program within six years. From the line graph, it can be seen that the completion rates have remained nearly constant through the years. Data from the THECB was used in this case. 2) Information about the percentage of students who receive credit for attempted courses is available on the South Texas College KPI webpage. According to the data, over the past five years, an increasing number of students have been receiving credit for courses they have attempted. Data on the percentage of students who complete courses, the percentage of students who withdraw…
A pollster wants to minimize the effect the order of the questions has on a person's response to a survey. How many different surveys are required to cover all possible arrangements if there are 12 questions on the survey? Question content area bottom Part 1 A.39 comma 916 comma 800 39,916,800 B.479 comma 001 comma 600 479,001,600 C.144 144 D.12 12

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