Question: sample values drawn from a population 60 60 90 66 1 7 10.0 8.1 Figure 2 0 67 20 194 76 63 10.0 4.1 Figure

 sample values drawn from a population 60 60 90 66 1

sample values drawn from a population 60 60 90 66 1 7 10.0 8.1 Figure 2 0 67 20 194 76 63 10.0 4.1 Figure 3 the correct answer for man's goout the relationsh een pairs of variables and the values of r, the sample correla the x. y data set ) Which data set Indica [Choose one) For which data set is the sample corre [Choose one) I data set d) For which data set is the sample cort w. f data set name of the data sets Below are four bevarace cars sees and their scatter plots. (Note that all of the scatter plots are ch data set is made up of 60 43 9.8 6.5 40 46 e the correct answer for more than one question. between pairs of variables and the values of r, the sample correlation coeffic 6) For which data set is the so [Choose one) the w. I data set b) Which city aft indicates [Choose one) he w. I data set (c) For which data set is the mm, It data set (Choose one) 3) For which data set is the the m. In data set [Choose one) he w, z data set home of the data sets conducted, The following bigprote date on twelve below, along with a scatter plot of the date;)* representing campaign cost and (in milions of donors) he (percent) millions of dollars) Based on the firm's data and the regression line, complete the following increase in sales tend to be paired with values for campaign cost that are [Choose one) Y the mean of the values corresponding increase of how many percent in sales? dollars in advertising campaign cost. there is a "general anxiety of an individual, with higher GAS scores corresponding to more anxiety. (Or. Elboc's assessment or aninety is based on ; annoy me the ated by >') for each of the fifteen adults in a study. The least squares regression line for these data has equation y - 8.35 -0.27x. This line, along with a scatter plot of the sample data, is shown below. GAS score, x GAS sere Based on the study's data and the regression ling, complete the following. the mean of the steeghan the mea many hours in sleep time? scatter plot in Figure 1. Also given is the product of the temperature and the coffee sales for each of the fifteen days. (These products, written in the column 116.016 28 On degrees Fahrenheit) theatrical release of such the theater revenue and the rental revenue forms for smith of the fifteen in milions of collars Send dorn to calculat answer to at least two decimal places. find a 90%% confidence inerie cares. Then give it's lower Init and wager makes Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. Lower limit: ( over line: 0 The lifetime of a certain brand of electric light b have a standard deviation of 51 hours. suppose that a random sample of 80 bulbs of this brand has a mean lifetime of 483 hours. Find a 99%% confidence interval for the true mean lifetime of all light bulbs of this brand. Then give is lower amk and upper Carry your Intermesa Lower limit: (1 upper tour: 0 Managers at an automobile manufacturing plant would like to estimate the mean completion time of an assembly line operation, H. The managers plan to choose minutes, what is the minimum sample size needed for the managers to be 90%% confident that their prestige opinion of completion times is 10.2 number thor satisfies thecomputations to at least three decimal places. write your answer as a whole number (and make sure that it is the min average, the corporation may lose money. and if it dispenses less. the customers may com and use this sample what is the mink ample size needed in order for BIG to be 95% confident that its estimate is within the is 0.43 ounces. amber that satisfies the penpiremoney at least three decimal places. Write your answer as a whole number

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